週末|しゅうまつshuumatsu[0]heiban (flat)

1. adverb, nounweekend
   あなたは週末しゅうまつに何なんをしましたか。↗

   What did you do on the weekend?

• SynonymウィークエンドNeutralLoanword for the weekend, seen mostly in product names and ads like 「ウィークエンドセール」; in everyday speech people usually say 「週末」.
• Synonym土日どにちNeutralColloquial noun for Saturday and Sunday, naming the two days explicitly, as in 「土日休み」.
• Antonym平日へいじつNeutralWorking days, as in 「平日は忙しい」; the counterpart of 「週末」.
• Antonym週初NeutralThe start of the week, as in 「週初めに」; the opposite of 「週末」.

Use 「週末」 for the end of the week (「週末に出かける」「週末旅行」); say 「土日」 to name Saturday and Sunday explicitly. 「ウィークエンド」 turns up mainly in product names and ads. The opposite of 「週末」 is 「平日」.

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

1. 一いち週間しゅうかんの終おわり。