ahead

The definition of ahead is to be in front of someone or something.

(adverb)

An example of ahead is to describe a person who is in line in front of you at the post office and who will be served before you.

Ahead is defined as someone or something moving in a forward direction.

(adverb)

An example of the word ahead is to say that bikers are moving forward.

Ahead means winning or being closer to achieving something than someone else.

(idiom)

An example of the word ahead is to describe a person that is closer to winning a race.

See ahead in Webster's New World College Dictionary

adverb, adjective

See ahead in American Heritage Dictionary 4

adverb

At or to the front or head.
a. In advance; before: Pay ahead, and you'll receive a discount.
b. In or into the future; for the future: planned ahead.
a. In an advanced position or a configuration registering the future: Set the clock ahead.
b. At or to a different time; earlier or later: moved the appointment ahead, from Tuesday to Monday.
a. In a forward direction; onward: The train moved ahead slowly.
b. In the prescribed direction or sequence for normal use: You won't hear anything unless you roll the tape ahead.
In or into a more advantageous position: wanted to get ahead in life.