taciturnreserved or uncommunicative in speech; saying littleThe taciturn professor rarely spoke outside of lectures, preferring solitude to socializing.NoteThe taciturn professor rarely spoke outside of lectures, preferring solitude to socializing.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