How to say "intrinsic" in Japanese

• 内的ないてきCommon
  na-adjectiveFor 'intrinsic' meaning 'arising from within' — internal and mental rather than imposed from outside, as in intrinsic motivation or internal factors; the counterpart of 'extrinsic/external'.
  デネットの著作ちょさくの中心ちゅうしん的てき主張しゅちょうは、端的たんてきに言いえば、内的ないてき精神せいしん状態じょうたいの存在そんざいを否定ひていするということである。↗

  The main point of Dennett's book, in short, is to deny the existence of inner mental states.
• 固有こゆうJLPT N1approx.Common
  no-adjective, na-adjectiveFor 'intrinsic' meaning 'inherent — belonging naturally to a particular thing, person, or place': qualities inherent in something, characteristics peculiar to it; also covers 'endemic' in biology.
  羽はねは鳥とりに固有こゆうのものだ。↗

  Feathers are peculiar to birds.
• 本質的ほんしつてきCommon
  na-adjectiveFor 'intrinsic' meaning 'essential or fundamental' — rooted in the essence of a matter rather than incidental or superficial: an essential difference, an intrinsic part of the problem.
  いかなる政党せいとうも本質的ほんしつてきに保守的ほしゅてきである。↗

  Any political party is conservative in itself.
• 真性しんせいCommon
  no-adjectiveReally means 'genuine, true, out-and-out'; its 'intrinsic' gloss appears chiefly in scientific and technical vocabulary, so for everyday 'intrinsic' this is seldom the word you want.

Choose 内的 for what arises from within (versus the external), 固有 for qualities inherent or peculiar to something, 本質的 for the essential or fundamental sense, and 真性 mainly in scientific contexts.

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

• 内的ないてきinner
• 固有こゆうcharacteristic (of)
• 本質的ほんしつてきessential
• 内在的ないざいてきimmanent
• 内発的ないはつてきspontaneous
• 生まれついてうまれついてnatural
• 内因性ないいんせいendogenous
• 真性しんせいgenuine