完了|かんりょうkanryou[0]heiban (flat)

1. noun, suru verb, transitive verb, intransitive verbcompletion; conclusion
   屋根やねが破損はそんした家いえは今いまでは修理しゅうりが完了かんりょうしている。↗

   The house with the damaged roof has been repaired.
2. noun, grammarperfect (tense)

• Synonym終了しゅうりょうNeutralRefers to something ending or being terminated, as in 「試合終了」; the focus is on the ending, while 「完了」 stresses getting everything done.
• Synonym終結しゅうけつWrittenFor disputes or incidents being brought to a close, as in 「戦争の終結」; used mainly for major events, not for saying work is done like 「完了」.
• Synonym完結かんけつNeutralFor serialized works or stories coming to a close, as in 「シリーズ完結」; the focus is on wrapping up a series.
• Synonym終幕しゅうまくWrittenThe final act of a play, or figuratively the curtain falling on something; written and metaphorical.
• Synonym仕上げるしあげるNeutralTo finish and put the final touches on something, as in 「作品を仕上げる」; the emphasis is on perfecting it at the end.
• Synonym完遂かんすいWrittenA written word for carrying a task through to the very end, as in 「任務を完遂する」.
• SynonymフィニッシュNeutralA loanword for finishing, the finish line, or a gymnastics landing; mostly in sports.
• SynonymおしまいCasualColloquial for being over or done, and also for being done for, as in 「もうお仕舞いだ」.
• Synonym完成かんせいNeutralFor something being made or built to completion, as in 「ビルが完成する」; the focus is on the finished product, while 「完了」 is about the process ending.
• Synonym済むすむNeutralFor business or errands being settled, as in 「用事が済む」; common in speech, and can also mean getting off lightly.
• Synonym終えるおえるNeutralA transitive verb for finishing something, as in 「仕事を終える」; more colloquial than 「完了する」.
• Synonym終わりおわりNeutralThe end or final point, as in 「話の終わり」; the most general noun of all.
• Synonym終わるおわるNeutralThe most common verb for something ending, as in 「授業が終わる」; it does not stress that everything was completed.
• Synonym仕舞いしまいNeutralThe end or the last part, as in 「これで仕舞いだ」; leans toward everyday speech.
• Synonym終決しゅうけつWrittenA written word for a matter being settled; almost unused today—「終結」 is normally written instead.
• Synonym了するりょうするWrittenA written verb meaning to complete or to understand; rarely used in modern Japanese.
• Synonymし終えるしおえるNeutralFor finishing doing something, as in 「宿題をし終える」; more casual than 「完了」, and about a concrete action being completed.
• Synonymなし終えるなしおえるWrittenA written verb for getting something difficult done; few examples of use.
• Synonymなし終わるなしおわるWrittenWritten style for something being finished and done; few examples of use.
• SynonymしおおせるWrittenTo see something through to the end and succeed; written style, rarely used today.
• Synonym締めくくりしめくくりNeutralThe wrap-up or closing part, as in 「一年の締めくくり」; the focus is on the final rounding-off stage.
• Synonymし遂げるしとげるNeutralTo accomplish or achieve a goal, as in 「偉業をし遂げる」; stresses the achievement.
• Related終息しゅうそくWrittenFor a situation dying down or ceasing, as in 「感染の終息」; typical of epidemics and unrest.
• Related満了まんりょうNeutralFor a term or period expiring, as in 「任期満了」; limited to periods and contracts.
• Related終業しゅうぎょうNeutralFor the end of the workday or school term, as in 「終業時間」 and 「終業式」.
• Related止むやむNeutralFor rain, sounds and the like stopping naturally, as in 「雨が止む」; not used for work being completed.
• Related切り上げきりあげNeutralEnding at a convenient point; also rounding numbers up or currency revaluation; the nuance is wrapping up early.
• Related終止しゅうしWrittenMeans stopping or termination, seen mostly in 「終止符」; rarely used alone, and unlike 「完了」 it does not stress completing everything.
• Antonym未了みりょうWrittenAntonym: a written word for something not yet concluded, as in 「審議未了」; the opposite of 「完了」.
• Antonym未完成みかんせいNeutralAntonym: not yet finished, opposed to both 「完了」 and 「完成」; said of works or projects that are not done.

Use 「完了」 for getting everything done, often for procedures and system processes. For something simply ending, use 「終了」 or 「終わる」; for something made or built, 「完成」; for a term expiring, 「満了」. In everyday speech, 「終える」 and 「済む」 are the natural choices. The opposite is 「未完成」.

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

1. やり通とおして終おえること。完全かんぜんに終おえること。
2. 残のこらずに終おわること。完全かんぜんに終おわること。
3. 動作どうさや行為こういなどが、基準きじゅんとなる時点じてんで既すでに終おわっていること。さらにその動作どうさ・行為こういの結果けっかとしての状態じょうたいが基準きじゅんとなる時点じてんまで継続けいぞくしていることを言いうこともある。