Nearby words

  1. accustomed,
  2. accustomed to,
  3. accutane,
  4. accutron,
  5. acda,
  6. ace bandage,
  7. ace in the hole,
  8. ace inhibitor,
  9. ace it,
  10. ace out


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


American Council on Education.
Army Corps of Engineers. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ace

British Dictionary definitions for ace



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

verb (tr)

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


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

Word Origin and History for ace
Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with ace


In addition to the idioms beginning with ace

  • ace in the hole
  • ace it
  • ace out

also see:

  • 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.