許す|ゆるすyurusu[2]nakadaka (mid-high)

1. godan verb, transitive verbto permit; to allow; to approve; to consent toocc. written as 聴す
   ＤＮＡのサンプルを貯たくわえる事ことは許ゆるされるべきではない。↗

   It shouldn't be permitted to store samples of DNA.
2. godan verb, transitive verbto forgive; to pardon; to excuse; to toleratealso written as 赦す
   あなたが後悔こうかいしているのなら許ゆるしてあげよう。↗

   As you are sorry, I'll forgive you.
3. godan verb, transitive verbto exempt (someone) from; to remit; to release; to let offalso written as 赦す
4. godan verb, transitive verbto acknowledge; to admit
5. godan verb, transitive verbto trust; to confide in; to let one's guard down
6. godan verb, transitive verbto give up (points in a game, distance in a race, etc.); to yield

• Synonym承認しょうにんNeutralFormal recognition or approval of a plan or fact, with a written flavour. 「許す」 is the everyday word and also means to forgive.
• Synonym許可きょかNeutralA formal noun of Chinese origin for official permission, as in 「入国許可」. 「許す」 is more colloquial and can also mean to forgive.
• Synonym認可にんかWrittenApproval granted by an authority after screening, as in 「認可保育所」. 「許す」 is not limited to official contexts.
• Synonym容認ようにんWrittenTolerating or letting something be, often with a nuance of reluctant acceptance. 「許す」 can be a ready, wholehearted go-ahead.
• Synonym是認ぜにんWrittenWritten word for approving something as right or proper. 「許す」 need not judge the act right; it may simply let it pass.
• Synonym容赦ようしゃNeutralSparing someone or going easy on them; most often in the negative, as 「容赦しない」 or 「容赦なく」.
• Synonym認許にんきょWrittenA rare, written word for approving or certifying something. For permission, 「許可」 is the usual choice.
• Synonym允許いんきょWrittenA rare written word for granting permission or a licence. Say 「許可」 or 「許す」 instead in ordinary use.
• RelatedＯＫオッケーCasualA loanword used in casual talk to mean yes or all right. 「許す」 is more formal and also covers forgiveness.
• Related許容きょようNeutralAllowing or tolerating something within set limits, as in 「許容範囲」. 「許す」 does not stress a range.
• Related認めるみとめるNeutralTo recognize or acknowledge something, and also to permit it. 「許す」 leans more toward letting someone off or forgiving.
• Related聞き届けるききとどけるNeutralTo hear a request out and grant it, as in 「願いを聞き届ける」. 「許す」 is broader and also covers forgiving.
• Related差し許すさしゆるすWrittenAn old-fashioned way to say permit or forgive, rarely used today. In daily speech just say 「許す」.
• Related聞き入れるききいれるNeutralTo accept or comply with a request or advice, stressing that you take it in. 「許す」 stresses letting someone do something.
• Related寛恕かんじょWrittenWritten word for forgiving generously, seen in apologetic letters. In everyday speech say 「許す」.
• Related海容かいようWrittenWritten honorific for forgiving, used when asking pardon, as in 「ご海容ください」.
• Related宥恕ゆうじょWrittenRare written word for generously forgiving someone and not holding the fault against them; found mainly in legal language.
• Antonym罰するばっするNeutralTo punish or penalize; the opposite of 「許す」 in its sense of forgiving.
• Antonym咎めるとがめるNeutralTo blame or call someone to account for a fault; the opposite of 「許す」 in its sense of letting a fault pass.
• Antonym責めるせめるNeutralTo blame or condemn; the opposite of 「許す」 in its sense of forgiving.

「許す」 covers both letting someone do something and forgiving a fault. For formal permission say 「許可」 (「入国許可」); for tolerating within limits, 「許容」 (「許容範囲」); in letters asking pardon, 「ご容赦」 or 「ご海容」. 「認可」 is official approval, 「承認」 formal recognition, 「認める」 to acknowledge or allow, 「聞き届ける」「聞き入れる」 to grant a request, 「ＯＫ」 a casual yes. Written or rare 「是認」「容認」「認許」「允許」「寛恕」「宥恕」「差し許す」 give way to 「許す」 in daily use; 「容赦」 mostly appears as 「容赦しない」. Opposites: 「罰する」 punishes; 「咎める」「責める」 blame.

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

1. 【許もと・容すがた・赦・免めん】罪つみや過失かしつを責せめないでおく。
2. 【許もと・容すがた・聴ちょう】希望きぼう・要求ようきゅうなどを聞き入ききいれ、しても好よいとする。許可きょかする。容認ようにんする。
3. 【許もと・容すがた】物事ものごとをする余裕よゆうを認みとめる。許容きょようする。
4. 【許もと・赦・免めん】義務ぎむや負担ふたんなどを果はたさなくても好よいとする。免除めんじょする。
5. 【許もと・容すがた】（得点とくてんなどを）獲得かくとくさせてしまう。奪うばわれる。
6. 【許もと・容すがた】注意ちゅういや警戒けいかいを緩ゆるめる。
7. 【許もと・容すがた】優秀ゆうしゅうであると認みとめる。