習わし・慣わし|ならわしnarawashi[0]heiban (flat)

1. no-adjectivecustom; habit; customary practice

• Synonym習慣しゅうかんNeutralThe everyday default: covers both personal habits and social customs, a broader range than 「習わし」; the most common word in daily use.
• Synonym慣習かんしゅうWrittenWritten/formal: conventions prevailing in society; common in legal and business settings. More objective and formal than 「習わし」.
• Synonym習いならいWrittenWritten; mostly in the phrase 「世の習い」. Points to the way the world usually goes — life's regularities — rather than to rites or ceremonies.
• Synonym慣行かんこうWrittenWritten; practices commonly followed in business and administration — the way things are done in a field.
• Synonym風習ふうしゅうNeutralCustoms of a locality — its ways of life and seasonal events handed down among the people.
• Synonym風俗ふうぞくNeutralLifestyles and mores of an era or region; in modern Japanese often refers to the sex industry, so handle with care.
• Synonym習俗しゅうぞくWrittenWritten; a folklore-studies term for manners and customs, more academic than 「習わし」.
• Related因習いんしゅうWrittenWritten and pejorative: stale old conventions that bind people. 「習わし」 is neutral by comparison.
• Related慣例かんれいWrittenWritten; practices repeatedly followed within organizations and institutions, as in 「慣例に従う」.
• Related定例ていれいNeutralFor things held on a fixed schedule, as 「定例会議」; institutional, system-like flavor. Neutral in register.
• Related恒例こうれいWrittenWritten; events or ceremonies held regularly at set times or by custom, as 「恒例行事」「毎月恒例」.
• Related流儀りゅうぎNeutralA way of doing things peculiar to a person or an artistic school; not a social custom.
• Related常習じょうしゅうNeutralHabitual repetition of something, usually bad, as 「遅刻の常習」「常習犯」; carries a pejorative tinge.
• RelatedしきたりWrittenRules and practices handed down since old times, with a family or local flavor; carries a stronger sense of established rules than 「習わし」.
• Related風儀ふうぎWrittenRare, written: the manners and mores of a place or period — its rules of behavior and prevailing air.
• Related旧例きゅうれいWrittenRare, written: practices and precedents that have been followed since the past.
• Related常例じょうれいNeutralUncommon; the ordinary, consistent way of doing things. Stiffer than 「習わし」.
• Related御定まりおさだまりCasualColloquial: the same old routine, the usual thing, often with an ironic edge, as in 「お定まりのコース」.
• Related古例これいWrittenRare, written: ancient precedents with a history behind them, as when a ceremony is performed in the old way; in daily speech say 「習わし」.
• Related俗習ぞくしゅうWrittenRare, written: worldly customs — practices generally repeated among the folk. Less common than 「習わし」.
• Related遺風いふうWrittenWritten: customs and teachings left by earlier generations that live on.
• Related旧習きゅうしゅうWrittenRare, written: customs inherited from the past; often in 「旧習を改める」.
• Related習癖しゅうへきNeutralA (bad) personal habit or quirk; points to an individual's failings, not to social customs.

「習わし」 is for customs and practices handed down over time, as in 「〜するのが習わしだ」. For habits in general use 「習慣」; for old rules passed down, 「しきたり」; for organizational conventions, 「慣例」. The rest are narrower: 「恒例」「定例」 for regular events, 「風習」「習俗」 for local customs, 「流儀」 for personal or school styles, and 「常習」「習癖」 for bad personal habits.

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

1. 習慣しゅうかんとなっていること。しきたり。
2. 「ならわす」の連用形れんようけい。