How to say "useful" in Japanese
Choosing the right word
- 便利べんりna-adjectiveCovers the handy, practical sense of 'useful': a thing, place, or service that saves time and effort. A convenient shop, app, or tool is the typical case.
- 有用ゆうようna-adjective, nounThe direct, all-purpose equivalent: something that serves a purpose or genuinely helps, such as useful information, advice, or a skill. Use it when 'useful' itself is what you mean.
- 重宝ちょうほうna-adjective, nounHandy in the sense of something you come to value and use again and again; also used as the verb 重宝する, 'to find something handy'. A tool you end up using every day is typical.
- 有益ゆうえきna-adjective, nounUseful as in beneficial: something that brings real advantage or profit, as beneficial information, experience, or exercise. The emphasis is on the good something does, not mere convenience.
- 有意義ゆういぎna-adjectiveFor plain 'useful' this is seldom the word you want: it really means significant, meaningful, or worthwhile, as in time spent on something that matters.
Choose 便利 for handy everyday convenience, 有用 for the general sense of useful, 重宝 for something you come to rely on as handy, 有益 for the beneficial sense, and 有意義 only for meaningful or worthwhile.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese equivalents
See also
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