減速(げんそく)

げんそく
noun, suru verb
deceleration, slowdown
1. deceleration, slowdown, slowing down
Reducing speed, whether of a vehicle, economic growth, or other process. The opposite of acceleration.
カーブの手前(てまえ)で減速(げんそく)した。
I slowed down before the curve.
経済(けいざい)成長(せいちょう)が減速(げんそく)している。
Economic growth is slowing down.
工事(こうじ)区間(くかん)では車両(しゃりょう)の減速(げんそく)が義務(ぎむ)づけられている。
Vehicles are required to slow down in construction zones.

USAGE:
Used for both physical deceleration (vehicles, machinery) and figurative slowdowns (economic growth, project progress). The opposite is 加速(かそく) (acceleration).

Not to be confused with the homophone 原則(げんそく) (principle, general rule).

COMMON COLLOCATIONS:

  • 減速(げんそく)する: to decelerate, to slow down
  • 急(きゅう)減速(げんそく): sudden deceleration
  • 経済(けいざい)の減速(げんそく): economic slowdown
  • 減速(げんそく)車線(しゃせん): deceleration lane

Related Words

Antonym: 加速(かそく) (acceleration)
general
Added 2026.2.24 19:00
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