takes genitive case の, noun

  1. boneless (of a filet, etc.), without bone.
  2. lacking (moral) conviction, weak-principled, having no backbone, spineless, gutless.

Variations

Pronunciation Kanji Kana Is Common
 
 
骨なし ほねなし
 
骨無し ほねなし

Contained Kanji Breakdown

skeleton, bone, remains
ほね コツ (6th, N2)
cut flesh from bones(剮) variant
カ ケ わ.ける
mouth
くち コウ ク (1st, N4)
upside-down box radical (no. 13)
キョウ ケイ (Kentei 1)
month, moon
つき ゲツ ガツ (1st, N5)