确凿 Traditional form: 確鑿 Pinyin (reading): quèzáo Definitions: definite conclusive undeniable authentic also pr. (quèzuò) Characters: 确 - certain, sure; definite, exact; real, true 凿 - chisel; to bore, to pierce Traditional characters: 確 - certain, sure; definite, exact; real, true 鑿 - chisel; to bore, to pierce