急 激(きゅうげき)

きゅうげき

na-adjective, noun

sudden, rapid, drastic

1. sudden, rapid, drastic

Happening quickly and dramatically, often implying an extreme or severe change.

気温(きおん)が急激(きゅうげき)に下(さ)がった。

The temperature dropped drastically.

急激(きゅうげき)な変化(へんか)についていけない。

I can't keep up with the rapid changes.

人口(じんこう)が急激(きゅうげき)に増加(ぞうか)した。

The population increased rapidly.

急激(きゅうげき) emphasizes both speed and intensity of change.

Common patterns

急激(きゅうげき)な変化(へんか) (drastic change)
急激(きゅうげき)に増(ふ)える/減(へ)る (to increase/decrease rapidly)
急激(きゅうげき)に悪化(あっか)する (to worsen rapidly)

Similar words

急激(きゅうげき): sudden, drastic (implies intensity)
急速(きゅうそく): rapid (emphasizes speed)
急(きゅう): sudden (basic term)
突然(とつぜん): sudden, unexpected (emphasizes surprise)

Related Words

Related: 急速(きゅうそく) (rapid)

Compare: 突然(とつぜん) (sudden, unexpected)

Compare: 爆発的(ばくはつてき) (explosive)

general

Added 2026.1.11 15:43 · Revised 2026.9.4 21:29

02500/02633_kyuugeki