礼儀|れいぎreigi[3]odaka (tail-high)

1. nounmanners; courtesy; etiquette
   そんなことをするのは礼儀れいぎの常識じょうしきを欠かいている。↗

   That is beneath ordinary decency.

• Synonym作法さほうNeutralRefers to concrete rules and ways of doing things, as in 「食事の作法」; 「礼儀」 is the overall body of courtesy norms society has formed by custom.
• Synonym礼節れいせつWrittenA written/formal word for decorum and a sense of propriety, as in 「礼節をわきまえる」.
• SynonymエチケットNeutralA loanword for social etiquette, as in 「マナーとエチケット」; leans toward rules for avoiding trouble or offense to others.
• SynonymマナーNeutralA loanword for polite rules, as in 「マナー違反」; the most common choice in speech.
• Synonym礼式れいしきWrittenA written/formal word for the prescribed forms of etiquette; little used in modern Japanese.
• Synonym礼法れいほうWrittenA written/formal word for the codes of etiquette; used mostly for traditional ceremonial manners.
• Synonym行儀作法ぎょうぎさほうNeutralRules of conduct for everyday behaviour; often used when teaching children how to behave.
• Synonym礼儀作法れいぎさほうNeutralEtiquette and manners; puts more emphasis on concrete ways of acting than 「礼儀」 does.
• Related礼れいNeutralCovers thanks, a bow, or courtesy, as in 「礼を言う」「一礼する」; a broad word, while 「礼儀」 is specifically about polite manners.
• Related儀礼ぎれいNeutralCourtesies or religious rites formalized by convention, as in 「宗教儀礼」「儀礼的な挨拶」.
• Related行儀ぎょうぎNeutralWhether one's everyday behaviour is proper, as in 「行儀が悪い」; often used to judge children's conduct.
• Antonym無礼ぶれいNeutralRudeness or disrespect toward others; the direct opposite of 「礼儀」.
• Antonym粗野そやWrittenA written/formal word for rough, vulgar behaviour, the opposite of courteous 「礼儀」.

Use 「礼儀」 for the polite rules of showing respect to others, as in 「礼儀正しい」. In speech, 「マナー」 is the everyday word; 「作法」 covers concrete rules, 「行儀」 one's behaviour, and 「儀礼」 formalized rites. The opposite is 「無礼」.

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

1. 社会しゃかい全体ぜんたいの中なかで習慣しゅうかんとして決きまっているとされるしきたりや行動こうどう。