adjectival noun or quasi-adjective, noun

  1. clever, intelligent, wise, bright, sharp, sensible, smart, shrewd.
  2. well-behaved (esp. children and pets), obedient, good. Usu. as お利口.
  3. good (with words). Archaism.

Variations

Pronunciation Kanji Kana Is Common
利口 りこう
俐巧 りこう
悧巧 りこう
利巧 りこう

Contained Kanji Breakdown

profit, advantage, benefit
リ き.く と (4th, N3)
two-branch tree radical (no. 115)
カ いね (Kentei Pre-1)
katakana no radical (no. 4)
ヘツ えい よう (Kentei 1)
tree, wood
き モク こ- (1st, N5)
knife, standing sword radical (no. 18)
トウ
mouth
くち コウ ク (1st, N4)