儀礼|ぎれいgirei[0]heiban (flat)

1. nouncourtesy; etiquette; formality; protocol
2. noun(religious) observance; ritual; rite

• SynonymエチケットNeutralLoanword for everyday politeness rules; common in daily use. Also means a wine label. 「儀礼」 centres on ceremonial, formalized courtesy.
• Synonym作法さほうNeutralManners and rules of conduct, and also methods of composing verse or prose; stresses proper procedure, while 「儀礼」 stresses ceremonial form.
• Synonym礼儀作法れいぎさほうNeutralThe full set of manners for dealing with people, centred on everyday conduct and speech; 「儀礼」 leans toward the forms observed in ceremonies.
• Synonym礼式れいしきWrittenA written/formal word for the prescribed forms of etiquette, though rare even in writing; stresses the formal procedure of rites — in daily speech 「礼儀」 is enough.
• Synonym礼法れいほうWrittenA written/formal word for etiquette codes with a traditional cast, e.g. 「小笠原流礼法」; 「儀礼」 centres on the ceremony itself.
• Synonym行儀作法ぎょうぎさほうNeutralManners of physical conduct — how you sit, stand, move and eat; tied to daily life and upbringing. 「儀礼」 concerns ceremonial, formalized courtesy.
• Related礼儀れいぎNeutralThe most common word for politeness and courtesy, stressing courteous treatment of others; 「儀礼」 stresses formalized ceremonial forms.
• Related礼れいNeutralCovers courtesy and bowing, and also thanks, as in 「お礼」; used very widely and not confined to ceremonies.
• Related典礼てんれいWrittenA written/formal word for formal ceremonies as events, also Catholic liturgy; 「儀礼」 centres on the forms of courtesy themselves, not one ceremony.
• Related礼節れいせつWrittenA written/formal word for decorum and propriety, as in 「衣食足りて礼節を知る」; about personal propriety, not ceremonies.
• Antonym無礼ぶれいNeutralAntonym: rudeness or discourtesy, the opposite of the propriety 「儀礼」 embodies; often used for disrespectful behaviour toward superiors.

Use 「儀礼」 for ceremonial, formalized courtesy, as in 「儀礼的な挨拶」 or 「通過儀礼」. For everyday politeness say 「礼儀」, for rules of conduct 「作法」, for social etiquette 「エチケット」. 「典礼」 names formal ceremonies, and 「無礼」 is the opposite.

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

1. 慣習かんしゅうにより形式けいしきが整ととのえられている礼儀れいぎ・礼法れいほう。