The に対して Compound Particle: Toward / In Contrast
The に対して compound particle in Japanese marks either a target ("toward, against, in response to X") or a clause-level contrast ("whereas A, B"). It is built on the case particle に plus the て-form of 対する ("to face, to stand opposite").123 Both readings come from a single "facing" sense. That is why JLPT N3 pedagogy treats に対して as one polysemous compound, meaning one form with several related meanings, rather than two homophones.2
Overview
What kind of particle is に対して
に対して is a 複合格助詞 (compound case particle): a multi-part phrase that behaves as a single postposition. It is made of the case particle に plus the て-form of a verb.4 The verb inside the compound is 対する (たいする), a する-verb built on the kanji 対 ("opposite, face"). Its attested senses are "to pertain to," "to face each other," and "to be in response to or be against."3
That lexical core supports both readings of the compound. "Facing toward an addressee" gives the target reading. "Standing opposite for comparison" gives the contrast reading.23 The independent verb 対する is still productive in modern Japanese (小説に対する反応, "their reaction to the novel"), so the compound has not drifted away from its verb root.3
に対して sits alongside について, に関して, によって, において, and にとって in the same に + V-て morphological family.45 All of them share the shape "case particle + V-て" and behave as a single particle after a noun.
Calling に対して a compound case particle captures how learners actually meet it: as a fixed unit that attaches to a noun and has its own register. This is more useful than treating に + 対する + て as three independent pieces. The category 複合格助詞 is the umbrella for the whole に + V-て family.4
The two licensed readings: 対象 (target) and 対比 (contrast)
Core idea: "X に対して" means "facing X." It can mean an action or feeling directed at X (target, named 対象 in Japanese pedagogy), or X set against the next clause (contrast, named 対比).2
The target reading takes a person, group, institution, or abstract entity as its host. It pairs with attitude predicates, action verbs of response, or feelings of directed emotion.16 The contrast reading takes a noun, a の-nominalized clause, or a numeric quantity that pairs with a parallel figure in the second half.27
彼は誰に対しても礼儀正しい。8
"He is polite toward everybody."
父が厳しすぎるのに対して、母は優しすぎる。1
"Whereas my father is too strict, my mother is too kind."
The two readings are not separate particles. Japanese pedagogy treats に対して as one polysemous compound and disambiguates by the host plus the predicate.2
JLPT level, register, and frequency
に対して is an N3 grammar point.192 Its register is neutral-to-formal. It is standard in adult written and business Japanese, and acceptable in speech when describing attitudes or directed actions. It is still more formal than the simple recipient particle に.56
The clipped variant に対し (without て) is the formal-written form. It is used in news copy, government documents, contracts, and academic prose.89 The attributive form に対する is used directly before a noun.198 The contrastive reading itself skews formal: it is "often used in formal writing or speech," while casual conversation prefers けど or が.8
| Form | Register | Position |
|---|---|---|
| に対して | Neutral-to-formal | After noun, before verb or adjective |
| に対し | Formal-written | News, government, contracts, academic |
| に対する | All registers | Directly before a modified noun |
| に対しては | Neutral-to-formal | Topicalized target, often contrastive |
| Vのに対して | Formal-written / formal speech | Clause-level contrast |
Form and attachment rules
The base form: Noun + に対して + verb
The default target-reading shape is Noun (or noun phrase) + に対して + V/Adj-predicate.196 The host is a noun that refers to a person, group, institution, or abstract entity. It must be able to receive an action, attitude, or response.16
Three predicate classes account for almost all attested uses:
- Attitude adjectives: 優しい, 厳しい, 親切だ, 丁寧だ, 失礼だ, 礼儀正しい.8106
- Action verbs of response: 反対する, 反論する, 抗議する, 質問する, 答える, 反発する, 訴える.9106
- Feeling verbs of directed emotion and nouns of social stance: 怒る, 興味を持つ, 不信感を持つ, 文句を言う, 無関心だ, 不満がある, 責任がある, 敬意を示す.9285106
姉はいつも妹に対して怒っている。5
"The older sister is always angry at the younger sister."
目上の人に対して敬意を示さなければなりません。9
"We must show respect to our superiors."
先生は学生の質問に対して答えました。6
"The teacher answered the students' questions."
The noun-modifying form: Noun + に対する + Noun
When the に対して phrase modifies a following noun, use に対する instead: Noun + に対する + Noun.198 に対する is the dictionary form of する. Do not insert の between に対する and the noun (× 政治に対するのN; 〇 政治に対するN).8
The variant に対しての is grammatically possible, but に対する is "slightly more natural" and is the standard written choice.8 The other formal-topic compound に関する follows the same pattern. By contrast, the neutral-topic compound about-particle について requires の before the modified noun. This means the family splits cleanly by the particle's final morpheme.1112
政治に対する不信感。8
"Distrust toward politics."
地震に対する備え。8
"Preparation for earthquakes."
彼に対する不信感。2
"Distrust toward him."
The most common written error at N3 in this construction is × 政治に対しての問題. The correct form is 〇 政治に対する問題. Use the particle's final morpheme as the cue: する → no の; て → の.8
The formal-written variant: に対し (without て)
The clipped form に対し is the formal-written form of the same lemma. It is used in news copy, government documents, contracts, academic prose, and stiff announcements.89 Syntax and meaning are identical to に対して; only the register changes.89 It pairs naturally with stiff predicates such as 要請する, 通知する, and 命じる.8
生徒に対し、規則の遵守を求めた。8
"[We] demanded compliance with the rules from the students."
The topicalized variant: に対しては
に対して + the topic marker は produces に対しては. This form sets the target as a topic or makes an explicit target-vs-target contrast ("as for [the case of] X, …").8 It is common in policy and explanation contexts where two targets receive contrasting treatment.98
私の先生は男の子に対しては厳しいが、女の子に対しては優しい。9
"My teacher is strict toward the boys but kind toward the girls."
営業成績がいい人に対しては特別賞与を出します。8
"To those with good sales records, we give a special bonus."
The clause-level contrastive form: Vのに対して / Adj-Naな のに対して
For the contrast reading, the host can be a whole clause via の-nominalization.128 The shape of the clause-final element before の depends on the predicate class:
| Predicate class | Form before のに対して |
|---|---|
| Verb (present or past) | V / V-た + のに対して |
| i-Adjective | -い / -かった + のに対して |
| na-Adjective | -な + のに対して |
| Noun + copula | -な + のに対して (standard); -である + のに対して (formal-written) |
For quantitative comparisons, the host is a noun-with-figure, with no copula on the first half. The second half repeats the parallel figure: 78歳に対して85歳; 70%に対して30%.27
兄は活発なのに対して、弟はおとなしい性格だ。2
"Whereas the older brother is lively, the younger brother has a quiet personality."
日本人の平均寿命は男性が約80歳なのに対して、女性は約85歳だ。2
"The average Japanese lifespan is about 80 for men, whereas for women it is about 85."
What に対して cannot do
に対して cannot mark the topic of speech, thought, or writing. That slot belongs to the about-particle について.1314 The string 日本に対して話す reads as "argue or debate against Japan," not "talk about Japan." For the topic reading, use 日本について話す.13
に対して cannot mark the experiencer's vantage. That is the にとって slot.10 Evaluation adjectives such as 難しい, 大切だ, and 簡単だ pair with にとって ("for me, it is difficult"), not に対して.10
に対して also cannot mark physical contact directed at a body part. The direct-object を is required (× 肩に対して叩く; 〇 肩を叩く).5 It also cannot mark a passive agent. That slot belongs to bare に or によって.
Speech, thought, and inquiry verbs (話す, 書く, 調べる, 考える) take the about-particle について, not に対して. Use substitution to test the pair: if "toward" or "against" works in English, use に対して; if only "concerning" or "about" works, use について.14
Nuance and usage contexts
Reading 1: directed action, attitude, or feeling (対象)
The most frequent everyday use of に対して marks the recipient of an attitude or directed action.186 The recipient is a person, group, or institution. The predicate is an attitude (優しい, 厳しい, 親切だ, 失礼だ, 丁寧だ) or a directed action (敬語を使う, 敬意を示す).81013 The register is naturally formal: に対して is preferred over plain に for adult, business, or written contexts.56
マギー先生は宿題をやらない生徒に対していつも厳しい。8
"Maggie-sensei is always strict toward students who don't do their homework."
親は子供に対して責任がある。8
"Parents have responsibility toward their children."
上司に対して敬語を使う。13
"Use honorifics toward one's superior."
Reading 2: response, opposition, or reply (対象, action side)
A bridge case sits between the target reading and the contrast reading. Here, the host is itself an act or stimulus (a proposal, a question, a criticism, an opinion), and the predicate is the response to it.96 The English gloss shifts toward "in response to" or "against." In Japanese, though, this is still the target reading: the response is aimed at the stimulus.913
Verbs that license this shape are explicitly verbs of response: 反対する, 反論する, 抗議する, 答える, 反発する.910136
彼の意見に対して、反対の人は手をあげてください。9
"Please raise your hand if you are opposed to his opinion."
失敗に対して責任を感じている。5
"[I] feel responsibility for the failure."
サービスに対して不満がある。5
"[I] have a complaint about the service."
Reading 3: contrast between two clauses (対比)
For the contrast reading, the two clauses are set against each other. に対して functions like English "whereas."127 The contrast can be qualitative (personality, policy, preference) or quantitative (numbers, percentages, lifespans, populations).278
The register tilts formal. The contrast reading "is often used in formal writing or speech"; in casual conversation, けど or が carries the same contrast.8
佐藤さんに対して、田中さんは物静かだ。7
"Compared with Mr. Sato, Mr. Tanaka is quiet."
日本では好評だったのに対して、海外では不評だった。8
"Whereas it was popular in Japan, it was poorly received overseas."
算数に対して、社会は覚えることが多い。7
"Compared with arithmetic, social studies has more to memorize."
に対して vs について: target vs topic
Here is the core distinction in the N3 compound-particle cluster: the about-particle について sets the topic of speech, thought, or writing. に対して sets the target of an action, attitude, or response.1314 Verb selection follows the split. Speech, thought, and inquiry verbs (話す, 書く, 調べる, 考える) take について; attitude and response verbs (怒る, 敬語を使う, 反対する, 親切だ) take に対して.13
A substitution test sorts most cases: if "toward" or "against" works in English, use に対して; if only "concerning" or "about" works, use について.14
Incorrect: その問題に対して説明してください。14
Correct: その問題について説明してください。14
"Please explain that problem." (説明する is a speech verb; it takes a topic, not a target.)
日本の文化について話す。13
"Talk about Japanese culture."
For more on the topic-marker use itself, see The について Compound Particle: About / Regarding.
に対して vs に関して: target vs formal topic
The compound particle に関して is the formal-written twin of the about-particle について for the topic reading. に対して is the target marker.1211 The three compound particles form a clean grid: について as the neutral topic marker, に関して as the formal topic marker, and に対して as the target marker.12115
The etymological anchors keep the logic clear: 付く / 就く ("stick to") for the topic-of-speech reading, 関する ("relate to") for the formal relational reading, and 対する ("face") for the directional reading.311 Noun-modifying patterns also split by the particle's final morpheme: についての N requires の; に関する N and に対する N take the noun directly.181211
に対して vs にとって: action target vs experiencer's vantage
The compound particle にとって marks the perspective-holder ("for X, from X's standpoint"): 私にとって難しい問題だ ("a difficult problem for me").10 に対して marks the action's target: 私に対して難しい問題を出す ("set a difficult problem aimed at me").10
The predicate determines the choice. Adjective predicates of evaluation (難しい, 大切だ, 重要だ, 簡単だ) pair with にとって, not に対して.10 Action verbs and attitude adjectives directed at someone (要求する, 反発する, 厳しい, 礼儀正しい) pair with に対して, not にとって.10
彼は私にとってとても大切な存在だ。10
"He is a very important presence for me."
彼は私に対して厳しい。10
"He is strict toward me."
に対して vs plain に: when is the compound needed
The simple recipient に is enough for everyday verbs of transfer and direction, such as 友達に手紙を書く ("write a letter to a friend").5 に対して is preferred when the action or attitude is publicly directed at the recipient, when the recipient is an institution or abstract entity, or when the register becomes formal-written.56
Japanese pedagogy describes 複合格助詞 in general as expressing "more detailed nuances with higher formality than particles do." に対して clarifies direction and raises the register at the same time.5 It also clarifies sentences where bare に could be read as location, agent, or recipient.5 For the broader inventory of に's slots (time, destination, recipient, agent, and so on), see The に Particle: A Multi-Function Workhorse.
When the predicate is an attitude adjective (優しい, 厳しい, 親切だ, 失礼だ, 丁寧だ, 礼儀正しい) or a public-response verb (反対する, 反論する, 抗議する, 質問する, 答える), default to に対して unless the context is intimate or colloquial. Plain に is not always wrong, but に対して is the register-correct choice for adult written and business Japanese.810136
Good to know
に対する takes no の before the noun
The compound-particle family splits cleanly by the particle's final morpheme. Particles whose attributive form ends in する (に対する, に関する, における) attach directly to the following noun. Particles ending in て (についての, によっての) insert の.181211
The single most common written error at N3 in this cluster is inserting の after に対する:
Wrong: 政治に対するの不信感。
Right:
政治に対する不信感。8
"Distrust toward politics."
The variant に対しての is grammatical but に対する is "slightly more natural" in standard written use.8
対する is alive: keep the lexical verb in view
Unlike the about-particle について, where the etymological つく has drifted toward a lexicalized compound, 対する remains a productive verb in modern Japanese. It means "to pertain to, to face each other, to be in response to or against."3 It surfaces independently (小説に対する彼らの反応, "their reaction to the novel") and across a rich set of Sino-Japanese compounds: 対立 ("opposition"), 対応 ("response"), 対決 ("confrontation"), 対象 ("object/target"), 対比 ("contrast").3
The two readings of the compound particle map directly onto two senses of the verb. "Face each other" supplies the target reading; "stand opposite for comparison" supplies the contrast reading.23
The contrast reading is the formal one; conversation prefers けど or が
Aに対してB as a clause-level contrast is "often used in formal writing or speech." In casual conversation, the equivalent contrast is usually carried by けど or が.8 When reading, it is safe to treat に対して as a clause-level contrast cue whenever the two halves of the sentence describe parallel-but-opposed properties.27
The Aに対してB contrast does not always mean "against B"
A common parsing trap: in 兄は活発なのに対して、弟はおとなしい性格だ, the に対して links the two clauses as contrasts, not as opposed parties.2 The two brothers are not in conflict. Their personalities are being compared.
The directional sense of 対する is rebracketed as "stood next to for comparison."23
Cue: if both halves describe parallel properties (likes A versus likes B, is strict versus is kind, costs X versus costs Y), read に対して as contrastive "whereas," not adversarial "against."27
Quantitative contrast is the most exam-friendly template
JLPT N3 reading passages and grammar items lean on the X-figure-に対して-Y-figure pattern: 男性80歳に対して女性85歳; 都市部70%に対して農村部30%.27 Structurally, the host is a bare noun-with-figure, with no copula on the first half. The second clause repeats the parallel figure, usually closing on だ or である.2
This shape is near-universal in Japanese news copy when reporting comparative statistics. Learn to recognize it on sight.27
男性78歳に対して女性85歳。2
"Men 78 years, women 85 years."
Mnemonic anchor for the three N3 compounds
The three about-or-target compound particles each carry a different verb root. Learners who memorize the verbs first rarely confuse the particles.
- 付く / 就く ("stick to, assume position of") → about-particle について sticks to whatever the topic is: neutral and direct.311
- 関する ("relate to") → に関して links by relation: more abstract, more formal-written.12
- 対する ("face, stand against") → に対して faces a target: directional, sometimes adversarial, also clause-level contrast.38
See also
- The について Compound Particle: About / Regarding
- The に Particle: A Multi-Function Workhorse
- Topic vs. Subject in Japanese: The Hidden Slot
- The は Particle: Topic Marker
- The にとって Compound Particle: For X / From X's Perspective
- The JLPT Explained: Levels, Sections, and What Each Means