急きゅう速そく

きゅ

う

そ

く

Common wordJLPTN2Freq.FrequencyTop 10,000

Meanings

Describes a swift pace of change, progress, or movement, often in formal or technical contexts. Commonly used as both a noun and a na-adjective.

技ぎ術じゅつの急きゅう速そくな進しん歩ぽに驚おどろいた。
I was surprised by the rapid progress of technology.
急きゅう速そくに状じょう況きょうが変かわった。
The situation changed rapidly.

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Usage patterns

〈事こと〉が急きゅう速そくに進すすむfor something to progress rapidly
その国くにでは都と市し化かが急きゅう速そくに進すすんでいる。
Urbanization is progressing rapidly in that country.
急きゅう速そくな〈事こと〉rapid ~ (a swift change, growth, etc.)
急きゅう速そくな経けい済ざい成せい長ちょうが続つづいている。
Rapid economic growth is continuing.
〈物もの〉を急きゅう速そくに冷ひやすto cool something rapidly
食しょく品ひんを急きゅう速そくに冷ひやして鮮せん度どを保たもつ。
They rapidly cool the food to keep it fresh.

Kanji

急hurry, emergency, sudden
速quick, fast

Related words· 7

急きゅう激げきN3
急激 stresses a sudden, sharp, or drastic change, while 急速 focuses on high speed or swiftness of progress.
迅じん速そくN1
迅速 emphasizes promptness and efficiency in action or response, while 急速 simply describes fast speed or progress.
速すみやかN1
速やか describes doing something promptly and without delay (often of an action to be taken), while 急速 describes the swift pace of a change or process itself.
高こう速そくN3
急速 emphasizes a rapid rate of change or progress (急速な発展), while 高速 emphasizes literal speed of movement or processing.

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急きゅう進しん
急速 describes something happening rapidly or swiftly in general, while 急進 specifically refers to rapid or radical progress, especially in reforms or movements.
飛ひ躍やく的てきN1
急速 simply means 'rapid' or 'fast-paced', while 飛躍的 emphasizes a dramatic leap or breakthrough, often implying a qualitative jump rather than just speed.
急きゅうN3
急速 emphasizes a rapid pace of change or progress (often abstract, like growth or spread), while 急 can describe concrete speed as well as suddenness.

Opposites

緩ゆるやかN1
緩やか describes something gradual or gentle, the opposite of 急速, which describes something rapid or swift.

Don't confuse with

早そう急きゅうN1
早急 means 'urgent, needing to be done immediately,' whereas 急速 describes the speed of a process itself, not the urgency of an action.

Word family

急きゅう速そく充じゅう電でん
fast charging; quick charge
急きゅう速そく凍とう結けつ
quick-freezing; rapid freezing

Etymology

Compound of 急 (urgent, sudden) and 速 (fast, quick). The exact historical derivation is uncertain, but the combination naturally conveys the meaning of rapidity.