しゅん
瞬
そく
速

noun, takes genitive case の

Slang.
  1. blindingly quick speed, (in) a flash, (in) the blink of an eye.

Variations

Pronunciation Kanji Kana Is Common
しゅん
瞬
そく
速
 瞬速 しゅんそく

Contained Kanji Breakdown

wink, blink, twinkle
シュン　またた.く　まじろ.ぐ (Early Jr. High, N1)
eye, class, look
め　モク　ボク (1st, N4)
type of morning glory, rose of Sharon, althea
シュン　みつ (Kentei Pre-1, N1)
paw radical
wa-shaped crown radical (no. 14)
ベキ (Kentei 1)
dancing radical (no. 136)
ブ　セン　まい (Kentei Pre-1)
evening
ゆう　セキ　ゆ (1st, N4)
sit or stand astride, (跨 variant)
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)
walk, road, (辵 variant, one dot jōyō form)