unkempthaving an untidy or dishevelled appearance (NOT failing to honor a promise)His unkempt hair and wrinkled shirt suggested he had slept in the office again.NoteHis unkempt hair and wrinkled shirt suggested he had slept in the office again.Elon.io is an online learning platformWe have an entire course teaching GRE Verbal — Essential Vocabulary grammar and vocabulary.Start learning GRE Verbal — Essential Vocabulary now