厳に|げんにgenni[1]atamadaka (head-high)

1. adverbstrictly; severely; rigidly
   ここではたばこを吸すうことを厳げんに禁きんじられている。↗

   Smoking is strictly forbidden here.

• Synonym厳としてげんとしてWrittenWritten/formal prose. Describes a firm, unshakable presence or attitude, as in 「厳として存在する」. 「厳に」 usually pairs with 「慎む」「戒める」 for strict restraint.
• RelatedびしびしCasualColloquial mimetic word for harsh, relentless treatment, as in 「びしびし鍛える」. 「厳に」 is written/formal language.
• RelatedみっちりNeutralDoing something thoroughly and fully, as in 「みっちり練習する」. 「厳に」 centers on strict prohibition and restraint.
• RelatedビシッとCasualColloquial mimetic word for a crisp, stern one-off act, as in 「ビシッと断る」. 「厳に」 belongs to formal written and official prose.
• Antonym軽くNeutralLightly or without strictness — the opposite of the strict restraint expressed by 「厳に」.

「厳に」 suits formal prose, mainly in 「厳に慎む」「厳に戒める」 for strict restraint. For strict training in speech use 「びしびし」 or 「みっちり」; for a firm, resolute stance use 「厳として」.

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

1. 厳きびしく。厳重げんじゅうに。