adjectival noun or quasi-adjective, noun

Usu. as 〜に.
  1. reckless, (at) random, haphazard, blind, sudden, abrupt.

Variations

Pronunciation Kanji Kana Is Common
闇雲 やみくも

Contained Kanji Breakdown

get dark, gloom, disorder
やみ アン オン (11th)
gate, counter for cannons
モン かど と (2nd, N2)
sound, noise
おと オン ね (1st, N4)
stand up, rise, set up
た.つ リツ たつ (1st, N4)
kettle lid radical (no. 8)
トウ (Kentei 1)
grass, straw, herbs
to divide
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
day, sun, Japan
ひ にっ ニチ (1st, N5)
cloud
くも ウン ずも (2nd, N2)
rain
あめ あま- ウ (1st, N5)
say
ウン い.う ここに (Kentei Pre-1)
two, two radical (no. 7)
ニ ふた ふだ (1st, N5)
I, myself, katakana mu radical (no. 28)
シ ボウ ム (Kentei 1)