At or to the front or head. In advance; before: Pay ahead, and you'll receive a discount. In or into the future; for the future: planned ahead. In an advanced position or a configuration registering the future: Set the clock ahead. At or to a different time; earlier or later: moved the appointment ahead, from Tuesday to Monday. In a forward direction; onward: The train moved ahead slowly. 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. be ahead To be winning or in a superior position: The home team was ahead in the second period. Your company is ahead in developing the new technology.