At an earlier or preceding time than a mentioned event.
being ahead of time or need; "gave advance warning"; "was beforehand with her report"
ahead of time; in anticipation; "when you pay ahead (or in advance) you receive a discount"; "We like to plan ahead"; "should have made reservatons beforehand"
ahead of time; in anticipation; "when you pay ahead (or in advance) you receive a discount"; "We like to plan ahead"; "should have made reservations beforehand"