adjectival noun or quasi-adjective, noun

Derogatory.
  1. stupidity, silliness, asininity, imbecility, dim-wittedness.

Variations

Pronunciation Kanji Kana Is Common
愚鈍 ぐどん

Contained Kanji Breakdown

foolish, folly, absurdity
おろ.か グ (8th, N1)
long-tailed monkey
グ グウ おながざる (Kentei 1)
day, sun, Japan
ひ にっ ニチ (1st, N5)
rump, footprint radical (no. 114)
ジュウ ニュ あしあと
upside-down box radical (no. 13)
キョウ ケイ (Kentei 1)
I, myself, katakana mu radical (no. 28)
シ ボウ ム (Kentei 1)
heart, mind, spirit
こころ シン (2nd, N4)
dull, slow, foolish
にぶ.い ドン なま.る (7th, N2)
gold
キン きむ かね (1st, N5)
whole, entire, all
ゼン すべ.て まった.く (3rd, N3)
person
ひと ニン ジン (1st, N5)
king, rule, magnate
オウ -ノウ おお (1st, N3)
to divide
barracks, police station, camp
トン たむろ (9th, N1)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
left hand, old grass radical (no. 45)
テツ サ ひだりて (Kentei 1)
open box enclosure, open box radical (no. 17)
カン (Kentei 1)