How to say "suitability" in Japanese
- 適性てきせいnounCovers suitability in the sense of fitness or aptness for a role, task, or purpose — whether someone or something is well suited to it. Typical when discussing a person's aptitude for a job or field of study.
- 良し悪しよしあしnounCovers suitability as judged quality: whether a thing is good or bad, right or wrong, appropriate or not. It frames suitability as an evaluation of merits and drawbacks, typically in assessing options, plans, or conduct.
- 対応たいおうnoun, suru verb, intransitive verbIts primary senses are coordination, matching, and correspondence; suitability appears only as being appropriate for something. For plain 'suitability' it is seldom the word you want — reach for it when matching or correspondence is meant.
Use 適性 for fitness or aptness of a person or thing for a purpose, 「良し悪し」 for judging whether something is good or bad, and 対応 mainly for matching or correspondence rather than suitability itself.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
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