ルーチンruuchin

1. nounroutine; routine duties; routine work
2. noun, computingroutine

• Synonym日課にっかNeutralWhat you do every day as a fixed habit, as in 「散歩を日課にする」. 「ルーチン」 is not limited to daily matters — it covers routine work and set procedures generally.
• Synonymお決まりおきまりCasualColloquial for the same old, familiar way of doing things, often with a teasing tone, as in 「お決まりのパターン」. 「ルーチン」 leans more toward routine work.
• Antonym例外れいがいNeutralA case outside the usual rule or principle. It contrasts with 「ルーチン」 only as 'customary vs not' — non-routine work is not necessarily an exception.
• Antonym非ルーチンWrittenWork or processing that is not routine; the direct opposite of 「ルーチン」. A rare compound found mainly in written or formal prose.

Use 「ルーチン」 for routine work done by a fixed procedure, as in 「朝のルーチン」. Fixed daily habits are 「日課」; the same old routine in casual talk is 「お決まり」. 「非ルーチン」 (rare, written) means non-routine work; 「例外」 is a case that breaks the rule.

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

1. 決きまり切きった仕事しごと。日常にちじょうの仕事しごと。日課にっか。
2. プログラム内ないの構造こうぞうで、処理しょりの手続てつづきをまとめたもの。