Definition of ahead

• to a more advanced or advantageous position; "a young man sure to get ahead"; "pushing talented students ahead"
• to a different or a more advanced time (meaning advanced either toward the present or toward the future); "moved the appointment ahead from Tuesday to Monday"; "pushed the deadline ahead from Tuesday to Wednesday"
• having the leading position or higher score in a contest; "he is ahead by a pawn"; "the leading team in the pennant race"