個性|こせいkosei[1]atamadaka (head-high)

1. nounindividuality; personality; quirk; idiosyncrasy; character; individual characteristic
   彼かれはすばらしい個性こせいを持もっている。↗

   He has a wonderful personality.

• Synonym人格じんかくWrittenFormal word for a person's character with moral weight, as in 「人格者」; stresses integrity over distinctiveness.
• Related性格せいかくNeutralA person's temperament or disposition, focusing on inner character; 「個性」 stresses what makes someone different from others.
• Related性質せいしつNeutralCovers both a person's disposition and the nature or properties of things, giving it a broader range than 「個性」.
• RelatedキャラクターNeutralLoanword for character or personality; also means a character image or role, as in 「キャラが濃い」.
• Related持ち味もちあじNeutralAn inherent flavor or distinctive charm something naturally has, as in 「素材の持ち味」.
• Related人柄ひとがらNeutralPersonal character or quality as a person, focusing on the impression someone gives rather than distinctive traits.
• Related独自性どくじせいWrittenWritten-style word for uniqueness or originality, used mostly of works and companies rather than people.
• Antonym凡庸ぼんようWrittenWritten word for being mediocre and ordinary, the opposite of a striking 「個性」.
• Antonym無個性NeutralThe absence of 「個性」: being indistinct and uniform, the direct opposite of having individuality.

Use 「個性」 for the distinctive traits that set a person apart, as in 「個性的」 or 「個性を伸ばす」. For general temperament pick 「性格」; for a distinctive charm 「持ち味」; for personal quality 「人柄」; for a character image or role 「キャラクター」; for mediocrity 「凡庸」.

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

1. その人ひとの持もつ独特どくとくの性質せいしつ。
2. 個体こたいや個物こぶつの持もつ、それ特有とくゆうの性質せいしつや特徴とくちょう。