Definition of “ahead” - Learner’s Dictionary

ahead

adjective, adverb uk us /əˈhed/
IN FRONT

B1 in front:

The road ahead is very busy.
Rick walked ahead of us.
FUTURE

B1 in the future:

She has a difficult time ahead of her.
MORE POINTS

B2 having more points than someone else in a competition:

Barcelona was ahead after ten minutes.
MORE PROGRESS

making more progress than someone or something else:

Sue is ahead of everyone else in French.
go ahead informal

B2 used to allow someone to do something:

"Can I use your phone?" "Sure, go ahead."
ahead of time/schedule

(Definition of “ahead” from the Cambridge Learner's Dictionary © Cambridge University Press)