迅速 (じんそく)quick; fast; rapid

quick; fast; rapidadjectival nouns or quasi-adjectives (keiyodoshi), noun (common) (futsuumeishi)

迅速, its kanji, and other words that share them.Open this graph

Kanji in 迅速

奮迅ふんじんimpetuous dash forward
無常迅速むじょうじんそくthe (fast) pace at which life passes, and thus the nearness of death; promptitude of the changes of the times
獅子奮迅ししふんじんbeing irresistible; being furiously vigorous
獅子奮迅の勢いししふんじんのいきおいirresistible force
疾風迅雷しっぷうじんらいwith lightning speed
迅速果敢じんそくかかんquick and decisive; fast and daring
迅速果断じんそくかだんquick and decisive; fast and daring
迅雷じんらいthunderclap
急速きゅうそくrapid (e.g. progress)
速球そっきゅうfastball
速報そくほうnews flash; prompt report
高速こうそくhigh-speed; rapid
高速道路こうそくどうろhighway; freeway
時速じそくspeed (per hour)
減速げんそくdeceleration
速度そくどspeed; velocity

See how 迅速 connects to the rest of Japanese.