虚ろ うつろ cavity N1 #22,243 Meanings also 空ろ noun, na-adjective cavity; hollow; void na-adjective hollow (voice, smile, etc.); blank (eyes, look, etc.); vacant (expression, stare, etc.); empty (words, heart, etc.) Its kanji 虚 キョ、コ · むな.しい、うつ.ろ void, emptiness, unpreparedness, crack, fissure, untruth