Meaning of AHEAD OF in English

AHEAD OF

prep. 1. In a position of advantage or power over. He studies all the time, because he wants to stay ahead of his classmates. 2. In front of; before. The troop leader walked a few feet ahead of the boys. 3. Earlier than; previous to, before. Betty finished her test ahead of the others.

American idioms English vocabulary.      Английский словарь американских идиом.