thready Syllabification: (thread·y)Pronunciation: /ˈTHredē/Definition of thready adjective (threadier, threadiest) 1of, relating to, or resembling a thread. 2(of a sound, especially the voice) scarcely audible:he managed a thready whisper Medicine (of a person’s pulse) scarcely perceptible. thready in other Oxford dictionaries Definition of thready in the British & World English dictionary