[ eys ]
/ eɪs /
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.
a single spot or mark on a playing card or die.
(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.
a fighter pilot credited with destroying a prescribed number or more of enemy aircraft, usually five, in combat.
a very skilled person; expert; adept: an ace at tap dancing.
Slang. a one-dollar bill.
Slang. a 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. a barbiturate or amphetamine capsule or pill.
a very small quantity, amount, or degree; a particle: not worth an ace.
Slang. a grade of A; the highest grade or score.
verb (used with object), aced, ac·ing.
(in tennis, badminton, handball, etc.) to win a point against (one's opponent) by an ace.
Golf. to make an ace on (a hole).
Slang. to cheat, defraud, or take advantage of (often followed by out): to be aced out of one's inheritance; a friend who aced me out of a good job.
- to receive a grade of A, as on a test or in a course (sometimes followed by out).
- to complete easily and successfully: He aced every physical fitness test they gave him.
excellent; first-rate; outstanding.
ace it, Slang. to accomplish something with complete success: a champion who could ace it every time.
Words nearby ace
Idioms for ace
ace up one's sleeve, an important, effective, or decisive argument, resource, or advantage kept in reserve until needed.
be aces with, Slang. to be highly regarded by: The boss says you're aces with him.
easy 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.
Origin of ace
1250–1300; 1915 for def 4; Middle English as, aas < Old French as < Latin: a unit; cf. as2; sense 4 after French as in World War I; sense 5 < 4
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for ace up one's sleeve (1 of 2)
/ (eɪs) /
any die, domino, or any of four playing cards with one spot
a single spot or pip on a playing card, die, etc
tennis a winning serve that the opponent fails to reach
golf, mainly US a hole in one
a fighter pilot accredited with destroying several enemy aircraft
informal an expert or highly skilled personan ace at driving
an ace up one's sleeve or an ace in the hole a hidden and powerful advantage
hold all the aces to have all the advantages or power
play one's ace to use one's best weapon or resource
within an ace of almost to the point ofhe came within an ace of winning
informal superb; excellent
tennis to serve an ace against
golf, mainly US to play (a hole) in one stroke
US and Canadian to perform extremely well or score very highly in (an examination, etc)
Word Origin for ace
C13: via Old French from Latin as a unit, perhaps from a Greek variant of heis one
British Dictionary definitions for ace up one's sleeve (2 of 2)
/ (eɪs) /
n acronym for
(in Britain) Advisory Centre for Education; a private organization offering advice on schools to parents
Allied Command Europe
angiotensin-converting enzymeSee ACE inhibitor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Idioms and Phrases with ace up one's sleeve
In addition to the idioms beginning with ace
- ace in the hole
- ace it
- ace out
- hold all the aces
- within an ace of
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.