禁|きんkin[1]atamadaka (head-high)

1. nounban (e.g. on smoking); prohibition
   彼かれは一いち年ねん近ちかくもアルコール類るいを断ことわっていたが、お正月しょうがつの頃ころに禁きんを破やぶってまた元もとに戻もどってしまった。↗

   He had been dry for almost a year, but he fell off the wagon around New Year's Day.

• Synonym禁止きんしNeutralNeutral. The most general word for banning something; 「禁」 mostly appears as a morpheme in compounds like 「禁煙」, alone in 「禁を破る」.
• Synonym厳禁げんきんWrittenWritten/formal. Strict prohibition, common on signs like 「火気厳禁」; stronger than 「禁」.
• Synonym法度はっとWrittenWritten/formal. Laws and bans from old times, esp. medieval ordinances; 「禁」 is broader.
• Synonym禁制きんせいWrittenWritten/formal. A prohibition rule, as in 「女人禁制」; 「禁」 is more general.
• Synonym禁断きんだんWrittenWritten/formal. Prohibiting and cutting off, as in 「禁断の果実」; 「禁断症状」 means withdrawal symptoms.
• Synonym差し止めさしとめNeutralNeutral. Ordering something stopped, as in 「出版差し止め」; 「禁」 is broader.
• Synonymご法度ごはっとNeutralNeutral. Says something is absolutely not allowed, with an Edo-period flavor, as in 「社内恋愛はご法度」; 「禁」 is more written and seen on signs.
• Synonym禁令きんれいWrittenWritten/formal. A decree or law that bans something; 「禁」 refers to the prohibition itself.
• Related戒めいましめWrittenWritten/formal. An admonition or lesson, also a prohibition; 「禁」 focuses on the ban itself.
• Related禁則きんそくWrittenWritten/formal. A rule forbidding something; in typesetting, bans on characters at line starts/ends. Rarely used.
• Related禁圧きんあつWrittenWritten/formal. Suppression by those in power. Rarely used.
• Related戒かいWrittenWritten/formal. Admonition or warning; in Buddhism, the precepts. 「禁」 is an ordinary ban.
• Related不許可ふきょかWrittenWritten/formal. Withholding permission, typically a decision on an application; 「禁」 rules something out in advance.
• Related禁戒きんかいWrittenWritten/formal. Prohibiting with admonition, common for religious or cultural taboos and precepts. Rarely used.
• Antonym可かWrittenWritten/formal. Permission or approval, the opposite of 「禁」.

For banning in general use 「禁止」; 「禁」 mostly appears in compounds like 「禁煙」 and alone in 「禁を破る」. Signs read 「〜禁止」 or 「厳禁」; 「ご法度」 is the colloquial way to say something is off-limits. The rest are written or specialized: 「禁令」/「禁制」 for formal bans, 「戒め」/「戒」 for admonition, 「禁断」 for the forbidden, 「差し止め」 for injunctions, 「可」 the opposite.

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

1. （キン）してはならないとすること。禁止きんし。禁令きんれい。（接尾辞せつびじ的てきにも用もちいられる。）