疾走|しっそうshissou[0]heiban (flat)

1. noun, suru verb, intransitive verbsprint; dash; scampering
   １台だいのトラックが道路どうろを疾走しっそうしていた。↗

   A truck was careering along the road.

• Synonym疾駆しっくWrittenWritten/formal word for galloping on horseback or driving fast; 「疾走」 typically describes people or vehicles running at high speed.
• SynonymダッシュNeutralColloquial loanword for a full-speed dash; 「疾走」 is more written in flavour and carries a literary feel.
• SynonymスプリントNeutralSports loanword for a short-distance race or final sprint; it fills a different niche from 「疾走」, which is fast running in general.
• Synonym突っ走るつっぱしるNeutralColloquial: tearing along at full tilt in one burst; also figurative, pressing recklessly ahead toward a goal.
• Related突撃とつげきNeutralCharging at an enemy or target to attack, as in 「突撃隊」 or 「突撃取材」; the point is rushing in to strike, not the speed itself.
• Related突進とっしんNeutralRushing headlong at something, as in 「敵陣に突進」; the focus is on charging toward a place or object rather than sheer speed.
• Related驀進ばくしんWrittenWritten/formal: plunging ahead single-mindedly, as in 「目標へ驀進する」; the stress is on unstoppable momentum, not the running itself.
• Antonym徐行じょこうNeutralGoing slowly, as on the road sign 「徐行」; the direct opposite of 「疾走」's high-speed running.
• Antonym低速ていそくNeutralLow speed, as in 「低速運転」; the opposite pole to the high-speed running that 「疾走」 describes.

To say someone runs at full power, use 「全力で走る」 or 「ダッシュ」. In written or literary prose, 「疾走」 describes something speeding along, as in 「疾走する車」. For a charge into the attack, say 「突撃」; for going slowly, 「徐行」.

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

1. 疾とく走はしること。
2. 疾はやく走はしる。