Noun, Na-adjective (keiyodoshi)
cavity; hollow; void
洞窟からうつろに反響する音を耳にした。We heard somber hollow sounds from the cave. Na-adjective (keiyodoshi)
hollow (voice, smile, etc.); blank (eyes, look, etc.); vacant (expression, stare, etc.); empty (words, heart, etc.)
Also written 空ろ【うつろ】、洞ろ【うつろ】、洞【うつろ】