Succeed or make progress, especially in one's career or in society. For example, She put in many hours of overtime in order to get ahead. [c. 1800]
Save a little money, as in After we settle the hospital bill, we hope to get ahead enough to buy a new car.
get ahead of. Move in front of, as in I got ahead of her in line.
get ahead of. Outdo, surpass, as in We were determined to get ahead of the competition. Also see ahead of the game.