How to say "becoming" in Japanese

• 似合いにあいCommon
  no-adjectiveCovers 'becoming' in the sense of looking good on someone — a colour or outfit that suits them, or a couple who seem well matched. The word when something simply looks good on you.
  ピーターとエバは似合にあいのカップルだ。↗

  Peter and Eve make a handsome couple.
• 似つかわしいにつかわしいCommon
  i-adjectiveBecoming as 'fitting' or 'appropriate': describes something as suited to the person or the occasion. In sense it sits very close to 似合わしい, and either word can translate 'becoming'.
  若わかい娘むすめには慎つつしみが似につかわしい。↗

  Modesty is befitting to a young girl.
• 似合わしいにあわしいCommon
  i-adjectiveLike 似合い, it covers 'becoming' as well-matched and suitable — an adjective describing a person or thing as fitting or becoming. Its sense overlaps heavily with 似つかわしい.
• 相応そうおうJLPT N1approx.Common
  na-adjective, no-adjective, suru verb, intransitive verbBecoming as 'befitting': appropriate to a person's age, position or the occasion rather than to their appearance — conduct, treatment or attire that accords with someone's standing.
  収入しゅうにゅう相応そうおうの暮くらしをしなさい。↗

  Try to live within your means.

Use 「似合い」 when 'becoming' means something looks good on someone or a couple seem well matched, 相応 for what befits someone's age, position or occasion; 「似つかわしい」 and 「似合わしい」 are near-synonymous adjectives describing something as fitting or becoming.

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

• 似合いにあいwell-matched (esp. of a couple)
• 似つかわしいにつかわしいsuitable
• 似合わしいにあわしいwell-matched
• 相応そうおうsuitable
• 物化ぶっかchanging
• お似合いおにあいwell-matched (esp. of a couple)
• みっともいいdecent