precludeto keep from happening or make impossible; to prevent (not just to come before in time)The severe weather precluded any possibility of the outdoor ceremony going ahead as planned.NoteThe severe weather precluded any possibility of the outdoor ceremony going ahead as planned.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