ラッシュrasshu

1. nounrush (of people or activity)
2. noun, suru verb, intransitive verbrush (sudden forward motion)
3. nounrush hour
   あいにく朝あさの通勤つうきんラッシュにぶつかった。↗

   Unfortunately, I hit the morning rush hour.
4. noun, filmrushes; dailies

• SynonymダッシュCasualColloquial loanword for a full-speed sprint; 「ラッシュ」 is about crowds surging or events coming one after another.
• Related突進とっしんWrittenWritten/formal prose. Charging straight ahead at something; 「ラッシュ」 instead covers crowds or events flooding in and the peak travel period.
• Related疾走しっそうWrittenWritten/formal prose for running at high speed; 「ラッシュ」 leans instead toward a surge of people or events at a peak.
• RelatedラッシュアワーNeutralThe full loanword for the morning and evening commuter peak; 「ラッシュ」 alone also covers events striking in succession, as in 「建設ラッシュ」.
• Related驀進ばくしんFormalFormal. Pushing relentlessly onward toward a goal; 「ラッシュ」 leans instead toward a surge of people or events, or a peak period.
• Related混雑時NeutralA plain, descriptive term for crowded periods; 「ラッシュ」 is the common loanword for the same thing.
• Antonym閑散かんさんWrittenWritten/formal prose for deserted, slack conditions — the opposite of 「ラッシュ」 in terms of quiet versus crowding.
• AntonymオフピークNeutralLoanword for off-peak times; the opposite of 「ラッシュ」 on the peak-versus-non-peak axis.

Use 「ラッシュ」 for peak travel or a flood of events, as in 「通勤ラッシュ」 and 「建設ラッシュ」; 「ラッシュアワー」 names the peak period itself, 「ダッシュ」 a sprint. 「閑散」 and 「オフピーク」 are the opposites.

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

1. 交通機関こうつうきかんで乗客じょうきゃくが多おおくなる時期じき・時間帯じかんたい。
2. 特定とくていの出来事できごとが立て続たてつづけに起おこること。