aheadadv.[Pref. a- + head.]1. In or to the front; in advance; onward.()The island bore but a little ahead of us. (Fielding.)2. Headlong; without restraint.(L'Estrange.)To go ahead. (a) To go in advance. (b) To go on onward. (c) To push on in an enterprise. [Colloq] -- To get ahead of. (a) To get in advance of. (b) To surpass; to get the better of. [Colloq.]()