Entry 2 senses · 2 variants Webster, 1913 Crookback /(kro͝ok"băk`)/ · Crook·back · IPA n. a. 01 n. A crooked back; one who has a crooked or deformed back; a hunchback. 1. A crooked back; one who has a crooked or deformed back; a hunchback. 02 a. Hunched. 1. Hunched.