類似|るいじruiji[0]heiban (flat)

JLPT N1approx.Common
Definitions
  1. suru verb, intransitive verb, no-adjectiveresemblance; similarity; likeness; analogy
    We encounter similar difficulties when we substitute rectangles for triangles in this configuration.
Conjugation
Dictionary form類似する(るいじする)
Polite (masu)類似します(るいじします)
Negative (nai)類似しない(るいじしない)
polite (masen)類似しません(るいじしません)
classical zu / nu類似せず・類似せぬ(るいじせず・るいじせぬ)
Past (ta)類似した(るいじした)
polite (mashita)類似しました(るいじしました)
Past negative (nakatta)類似しなかった(るいじしなかった)
polite (masen deshita)類似しませんでした(るいじしませんでした)
Te form類似して(るいじして)
Potential類似できる(るいじできる)
Passive類似される(るいじされる)
Causative類似させる(るいじさせる)
Causative passive類似させられる(るいじさせられる)
Conditional (ba)類似すれば(るいじすれば)
tara類似したら(るいじしたら)
Volitional類似しよう(るいじしよう)
polite (mashou)類似しましょう(るいじしましょう)
Imperative類似しろ(るいじしろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym相似そうじWrittenWritten/formal prose. An academic term for resemblance, seen in 「相似形」; 「類似」 is broader, covering things alike in nature or form and used far more widely.
  • Synonym酷似こくじNeutralNeutral. Means being so alike you can hardly tell them apart, almost identical; 「類似」 expresses a milder degree of resemblance.
  • Synonym似るにるNeutralNeutral. The everyday verb for resembling something; 「類似」 is the more formal option, also usable as the verb 「類似する」.
  • Synonym類するるいするWrittenWritten/formal prose. A verb meaning to be akin to or of the same kind; 「類似(する)」 is the more common choice.
  • Synonym似寄りによりWrittenWritten/formal prose. A rare word for similarity; in ordinary use 「似通う」 or 「類似」 is the normal choice.
  • Synonym類似性るいじせいWrittenWritten/formal prose. Points to the degree or nature of the similarity; 「類似」 refers to the resemblance as a phenomenon.
  • Related類縁るいえんWrittenWritten/formal prose. Denotes kinship or family ties, or things linked by similar shape or nature; 「類似」 focuses on resemblance of form or qualities.
  • Antonym相違そういNeutralNeutral. Difference or discrepancy; the opposite of the resemblance expressed by 「類似」.
  • Antonym差異さいWrittenWritten/formal prose. Difference or disparity; the counterpart of 「類似」, which expresses resemblance.

Use 「類似」 for things alike in nature or form, as in 「類似品」 and 「類似点」. For the verb, say 「似る」 in daily speech or 「類似する」 in formal writing; use 「酷似」 when two things are nearly identical and 「相似」 in academic contexts. For difference, choose 「相違」 or 「差異」.

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

Japanese definitions
  1. ある物ものと物ものの間あいだに多おおくの共通点きょうつうてんが存在そんざいすること。
Kanji in this word
English equivalents

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

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