How to say "conclude" in Japanese

Choosing the right word
  • 済ますすますJLPT N1approx.Common
    godan verb, transitive verbCovers the sense of concluding something by finishing it off, often with a nuance of getting it done and over with. Typical when dealing with a task, obligation, or piece of business you want behind you.
    7時じまでに彼女かのじょは夕食ゆうしょくを済すましてしまっているだろう。↗
    By 7:00 she will have eaten dinner.
  • 割り切るわりきるCommon
    godan verb, transitive verbCovers concluding in the sense of coming to a clean, decisive resolution, especially by cutting through complications and settling the matter mentally. Typical when you accept a situation or decide something without lingering doubts.
  • 終わるおわるJLPT N5approx.Common
    godan verb, transitive verbCovers the plain sense of conclude as 'come to an end' — a meeting, speech, event, or activity simply finishes. The most neutral choice when nothing more than ending is meant.
    彼かれは彼かれらの激論げきろんを終おわらせようとしたが無駄むだだった。↗
    He tried in vain to put an end to their heated discussion.
  • 割り出すわりだすCommon
    godan verb, transitive verbCovers only the logical sense of conclude — to deduce or infer a result from available information. Use it when reasoning leads you to a conclusion, not when something merely ends.

Use 「終わる」 for things simply ending, 「済ます」 for getting something over with, 「割り切る」 for settling a matter by reasoning it cleanly out, and 「割り出す」 for concluding by deduction or inference.

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

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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