adjectival noun or quasi-adjective, noun

  1. quick, fast, rapid, swift, prompt, streamlined, expedited, expeditious.

Variations

Pronunciation Kanji Kana Is Common
迅速 じんそく

Contained Kanji Breakdown

swift, fast
ジン (9th, N1)
to fly rapidly
シン とぶ
quick, fast
ソク はや.い すみ.やか (3rd, N3)
bundle, sheaf, ream
ソク たば つか (4th, N3)
tree, wood
き モク こ- (1st, N5)
mouth
くち コウ ク (1st, N4)