Meaning and Usage
"反する" (はんする) is a formal verb used to express opposition, contradiction, or inconsistency between ideas, actions, rules, or principles. It often appears in written or formal spoken Japanese, such as news reports, academic discussions, or legal contexts.
Common Contexts
This verb is frequently used when discussing laws, rules, policies, or moral principles that are violated or opposed. It can also describe situations where someone's actions or opinions are inconsistent with their stated beliefs or with established norms.
Collocations and Patterns
- 〜に反する: to be against or contradict something (e.g., 法律に反する - to violate the law)
- 〜と反する: to be inconsistent with or opposed to something
- 反する行為: an act that goes against rules or laws
Register and Nuance
"反する" is more formal and often used in written language or formal speech. In casual conversation, people might use simpler expressions like "違う" (ちがう) or "反対する" (はんたいする).
Common Learner Mistake
Learners sometimes confuse "反する" with "反対する". While both relate to opposition, "反対する" is used for actively opposing or disagreeing with something, often in a direct or interpersonal context. "反する" is more about contradiction or inconsistency, often in abstract or formal contexts.