反はんする

は

ん

す

る

Common wordJLPTN1Freq.FrequencyTop 10,000

反する · suru verb (special)

Form	Positive	Negative
Dictionary	反はんする	反はんさない
Polite	反はんします	反はんしません
Past polite	反はんしました	反はんしませんでした
Past	反はんした	反はんさなかった
Te-form	反はんして	反はんさないで
Desire	反はんしたい	反はんしたくない
Potential	反はんせる	反はんせない
Passive	反はんされるalso formal 反はんせられる	反はんされないalso formal 反はんせられない
Causative	反はんさせる	反はんさせない
Causative passive	反はんさせられる	反はんさせられない
Volitional	反はんそう
Polite volitional	反はんしましょう
Imperative	反はんせ	反はんするな
Conditional	反はんせば	反はんさなければ
Tara conditional	反はんしたら	反はんさなかったら

Meanings

Used when something conflicts with expectations, rules, principles, or another statement. Often appears as ～に反する.

Specifically for breaking laws, agreements, or formal rules. Stronger than sense 1.

disobey; defy; rebel against

Used for defying orders, teachings, or authority. The kanji 叛する is sometimes used for this sense.

〈事こと〉に反はんするto go against or contradict (a rule, principle, expectation, etc.)
彼かれの意い見けんは社しゃ会かいの常じょう識しきに反はんする。
His opinion goes against common social sense.
〈事こと〉に反はんしてcontrary to (expectations, predictions, etc.)
予よ想そうに反はんして、彼かれは試し験けんに合ごう格かくした。
Contrary to expectations, he passed the exam.
規き則そくに反はんするto violate the rules
そのやり方かたは会かい社しゃの規き則そくに反はんする。
That method violates the company's rules.
〈人ひと〉の命めい令れいに反はんするto disobey someone's order
彼かれは上じょう司しの命めい令れいに反はんして勝かっ手てに行こう動どうした。
He acted on his own, defying his boss's orders.

違い反はんN3sense 2
違反する specifically means to violate a law, rule, or contract, while 反する is broader and can describe abstract contradictions as well as violations.
矛む盾じゅんN2sense 1
矛盾する means to be logically inconsistent or self-contradictory, whereas 反する describes one thing conflicting with an external rule, expectation, or statement.
逆さからうN3sense 3
逆らう emphasizes actively resisting a person, current, or trend, while 反する is more abstract and often used with rules or principles rather than people.
背そむくN1sense 3
背く implies turning one's back on a person, trust, or duty, while 反する is more neutral and can describe impersonal contradictions as well.

Show 4 more

抵てい触しょく
反する is a common verb meaning to go against or be contrary to something, while 抵触 is a more formal noun-verb used especially for legal or logical conflicts.
外はずれるN3
反する is a more formal, often written word for going against rules or expectations, while 外れる is the everyday verb used the same way.
相あい反はんするN1
反する means to go against or violate something (like a rule or expectation), while 相反する stresses mutual opposition between two things.
違たがえる
反する is used broadly for going against rules, laws, or expectations, while 違える is more often used with specific objects like 約束 or 道理.

従したがうN3sense 3
従う means to obey or comply, the direct opposite of 反する in the sense of disobeying orders or authority.
合がっ致ちN1sense 1
合致する means to match or conform to something, the opposite of 反する when it means to be contrary to rules or expectations.
沿そうN2
反する means to go against or contradict a rule or policy, the opposite of 沿う, which means to follow or align with it.
適かなうN1
適う means to conform to a standard or condition, while 反する means to go against or violate it.

反はん対たいN4sense 1
反対する means to actively oppose or object to something (e.g., an opinion or plan), while 反する describes a state of being contrary to something, often without active intent.
対たいするN3
反する means to violate or go against a rule or expectation (法律に反する), while 対する simply marks facing or relating to something without inherent violation.

From 反 (はん, 'anti-') + する (verbalizer). The kanji 反 carries the core meaning of 'opposite' or 'against'.