How to say "offence" in Japanese

Choosing the right word
  • 犯罪はんざいJLPT N3approx.Common
    nounCovers 'offence' in the legal sense: an act that breaks the law. Use it for crime in general — committing, preventing, or punishing crimes.
    War is a crime against humanity.
  • 違反いはんJLPT N3approx.Common
    noun, suru verb, intransitive verbCovers 'offence' as a violation or breach of a rule, law, or regulation. It focuses on the breach itself rather than on crime in general.
    Despite their own scandals, the police continue to make arrests as though nothing had happened at all.
  • せめJLPT N1approx.Common
    nounCovers 'offence' as attack — offensive action as opposed to defence, as in sports or combat. It does not refer to legal wrongdoing.
  • 犯行はんこうCommon
    nounCovers 'offence' as a specific criminal act — the deed itself rather than crime in general, as when discussing what an offender actually did.
    彼かれは犯行はんこうに及およんだと信しんじられていた。↗
    He was believed to have committed the crime.

Use 犯罪 for crime in the legal sense, 違反 for breaking a rule or law, 「せめ」 for offence as attack opposed to defence, and 犯行 for a specific criminal act rather than crime in general.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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