How to say "disposition" in Japanese

• キャラクターCommon
  nounTreats disposition as part of a person's character or personality taken as a whole, rather than a separate trait. It also means a fictional character, so rely on context to tell the senses apart.
• 性格せいかくJLPT N3approx.Common
  nounThe word for a person's character or personality as a whole; choose it when 'disposition' means someone's overall makeup, for instance when describing a person as cheerful or shy.
  あいつもアバウトな性格せいかくだよな。↗

  He's not a very meticulous guy.
• 性質せいしつJLPT N2approx.Common
  nounCovers a person's nature or temperament — the innate qualities behind their behavior — and also applies to the inherent properties of things, not only people, so it suits 'disposition' in the sense of inborn tendencies.
  彼かれは性質せいしつが頑固がんこだ。↗

  He is obstinate in disposition.
• 気質きしつJLPT N1approx.Common
  noun, noun (suffix)Emphasizes temperament: the disposition a person is born with, which colors their whole way of acting. Use it when 'disposition' means temperament or mentality rather than character as a whole.
  成功せいこう不ふ成功せいこうは気質きしつに左右さゆうされることが多おおい。↗

  Success often depends on one's temperament.
• 性癖せいへきCommon
  nounPoints to idiosyncratic inclinations and quirks rather than character as a whole. Because it is strongly associated with sexual proclivities, it is seldom the neutral word you want for 'disposition'.
  彼かれの変かわった性癖せいへきが彼かれらを困こまらせた。↗

  His strange habit confounded them.

For a person's overall character use 性格; for innate nature, including that of things, 性質; for temperament 気質; 「キャラクター」 treats disposition as part of one's personality; 性癖 is for idiosyncratic, often sexual, inclinations.

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

• キャラクターcharacter
• 性格せいかくcharacter (of a person)
• 性質せいしつnature (of a person)
• 気質きしつdisposition
• 性癖せいへきdisposition
• 意気いきspirit
• 配備はいびdeployment
• 資質ししつnature
• 気性きしょうdisposition
• 肌合いはだあいdisposition
• 性分しょうぶんnature
• 性根しょうねnature
• 気心きごころtemper
• 心性しんせいmind
• 処理しょりprocessing
• 配置はいちarrangement (of resources)
• 体質たいしつconstitution (physical)
• 計らいはからいarrangement
• たちnature (of a person)
• 気立てきだてdisposition
• 才分さいぶんdisposition
• 心立てこころだてdisposition
• きっぷcharacter
• 心術しんじゅつnature
• 性情せいじょうnature
• 天生てんせいnaturally occurring
• 性しょうnature
• 気稟きひんinnate character
• 気きnature
• 意地いじdisposition
• 気象きしょうdisposition
• 心持ちこころもちdisposition
• 根性こんじょうcharacter
• 心根こころねnature
• 傾きかたむきtendency
• 毛色けいろdisposition
• 意趣いしゅdisposition
• 天機てんきdisposition
• 資しcharacter
• 心ばえこころばえnature
• 肌はだdisposition