ace: Meaning and Definition of

ace

1. a playing card or die marked with or having the value indicated by a single spot: He dealt me four aces in the first hand.
2. a single spot or mark on a playing card or die.
3. (in tennis, badminton, handball, etc.)
1. Also calledservice ace.a placement made on a service.
2. any placement.
3. a serve that the opponent fails to touch.
4. the point thus scored.
4. a fighter pilot credited with destroying a prescribed number or more of enemy aircraft, usually five, in combat.
5. a very skilled person; expert; adept: an ace at tap dancing.
6. a one-dollar bill.
7. a close friend.
8. He hit a 225-yard ace on the first hole.
1. Also calledhole in one.a shot in which the ball is driven from the tee into the hole in one stroke:He hit a 225-yard ace on the first hole.
2. a score of one stroke made on such a shot:to card an ace.
9. a barbiturate or amphetamine capsule or pill.
10. a very small quantity, amount, or degree; a particle: not worth an ace.
11. a grade of A; the highest grade or score.
12. an important, effective, or decisive argument, resource, or advantage kept in reserve until needed.
13. to be highly regarded by: The boss says you're aces with him.
14. Auction Bridge. aces equally divided between opponents.
15. within a narrow margin of; close to: He came within an ace of winning.

1. (in tennis, badminton, handball, etc.) to win a point against (one's opponent) by an ace.
2. to make an ace on (a hole).
3. to cheat, defraud, or take advantage of (often fol. by out): to be aced out of one's inheritance; a friend who aced me out of a good job.
4. He aced every physical fitness test they gave him.
1. to receive a grade of A, as on a test or in a course (sometimes fol. by out).
2. to complete easily and successfully:He aced every physical fitness test they gave him.
5. to accomplish something with complete success: a champion who could ace it every time.

1. excellent; first-rate; outstanding.

ACE

1. American Council on Education.
2. Army Corps of Engineers.