WordReference Random House Learner's Dictionary of American English © 2019
ace /eɪs/USA pronunciation
n., v., aced, ac•ing, adj. n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2019
v. [~ + object]
- Gamesa playing card with a single spot:an ace of hearts.
- Sport(in tennis, etc.) a point made on an untouched serve.
- Militarya fighter pilot who downs at least five enemy aircraft.
- an expert:the ace of the pitching staff.
- Sportto win a point against (an opponent) with an ace:aced his opponent ten times in the match.
- Slang Termsto defeat, esp. easily: [~ (+ out) + object]She aced (out) her opponent.[ ~ + obj + out]:aced him out.
- Slang TermsSlang. to receive a grade of A in or on:aced the course.
- excellent:[before a noun]an ace player.
- Idioms, Games ace in the hole, [countable] an advantage held in reserve:His ace in the hole was the secret report he had on their finances.Also, ace up one's sleeve.
(ās),USA pronunciation n., v., aced, ac•ing, adj. n.
- Gamesa playing card or die marked with or having the value indicated by a single spot:He dealt me four aces in the first hand.
- Gamesa single spot or mark on a playing card or die.
- Sport(in tennis, badminton, handball, etc.)
- Also called service ace. a placement made on a service.
- any placement.
- a serve that the opponent fails to touch.
- the point thus scored.
- Militarya fighter pilot credited with destroying a prescribed number or more of enemy aircraft, usually five, in combat.
- a very skilled person;
adept:an ace at tap dancing.
- Slang Termsa one-dollar bill.
- Slang Termsa close friend.
- Also called hole 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.
- a score of one stroke made on such a shot:to card an ace.
- Slang Terms, Drugsa barbiturate or amphetamine capsule or pill.
- a very small quantity, amount, or degree;
a particle:not worth an ace.
- Slang Termsa grade of A;
the highest grade or score.
- ace up one's sleeve, an important, effective, or decisive argument, resource, or advantage kept in reserve until needed.
- Slang Termsbe aces with, to be highly regarded by:The boss says you're aces with him.
- Gameseasy aces, Auction Bridge. aces equally divided between opponents.
- within an ace of, within a narrow margin of;
close to:He came within an ace of winning.
- Sport(in tennis, badminton, handball, etc.) to win a point against (one's opponent) by an ace.
- Sport[Golf.]to make an ace on (a hole).
- Slang Termsto 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.
- Slang Terms
- to receive a grade of A, as on a test or in a course (sometimes fol. by out).
- to complete easily and successfully:He aced every physical fitness test they gave him.
- Slang Termsace it, to accomplish something with complete success:a champion who could ace it every time.
American Council on Education.
Army Corps of Engineers.
- Latin: a unit; compare as2; sense 4 after French as in World War I; sense 5
- Old French as
- 1250–1300; 1915 for def. 4; Middle English as, aas
Collins Concise English Dictionary © HarperCollins Publishers::
ace /eɪs/ n
- any die, domino, or any of four playing cards with one spot
- a single spot or pip on a playing card, die, etc
- a winning serve that the opponent fails to reach
- a fighter pilot accredited with destroying several enemy aircraft
- informal an expert or highly skilled person: an ace at driving
- an ace up one's sleeve, an ace in the hole ⇒ a hidden and powerful advantage
Etymology: 13th Century: via Old French from Latin as a unit, perhaps from a Greek variant of heis one
- informal superb; excellent
'ace' also found in these entries: