ラッシュアワーrasshuawaa

1. nounrush hour
   ラッシュアワーの交通こうつう渋滞じゅうたいにあった。↗

   I was caught in the rush hour.

• Synonym混雑時NeutralRefers to crowded periods; heard mostly in station announcements and notices rather than everyday conversation.
• RelatedラッシュNeutralLoanword and everyday short form of 「ラッシュアワー」, as in 「通勤ラッシュ」; the most common choice in daily speech. Also used for events happening one after another.
• AntonymオフピークNeutralLoanword for off-peak times outside the rush, as in 「オフピーク通勤」; the opposite of 「ラッシュアワー」.
• Antonym閑散時間NeutralQuiet periods when few people are around; the opposite of 「ラッシュアワー」.

For the morning and evening commuting peak, say 「ラッシュアワー」; in everyday speech it is often shortened to 「ラッシュ」, as in 「朝のラッシュ」. Announcements and notices use 「混雑時」. The opposite is 「オフピーク」.

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

1. 朝あさや夕方ゆうがたに、電車でんしゃやバスに乗のる人ひとが特とくに多おおい時間帯じかんたい。