ace

noun
\ˈās \

Definition of ace 

(Entry 1 of 5)

1a : a die face marked with one spot

b : a playing card marked in its center with one pip

c : a domino end marked with one spot

2 : a very small amount or degree : particle

3 : a point scored especially on a service (as in tennis or handball) that an opponent fails to touch

4 : a golf score of one stroke on a hole also : a hole made in one stroke

5 : a combat pilot who has brought down at least five enemy airplanes

6a : a person who excels at something a computer ace

b : the best pitcher on a baseball team the ace of the staff

ace in the hole

1 : an ace dealt face down to a player (as in stud poker) and not exposed until the showdown

2 : an effective and decisive argument or resource held in reserve

within an ace of

: on the point of : very near to came within an ace of winning

ace

verb
aced; acing

Definition of ace (Entry 2 of 5)

transitive verb

1 : to score an ace against (an opponent)

2 : to make (a hole in golf) in one stroke

3 : to gain a decisive advantage over : defeat usually used with out

4a : to earn a high grade on (something, such as an examination) especially : to get an A on

b : to perform extremely well in he aced every subject

ace

adjective

Definition of ace (Entry 3 of 5)

: of first or high rank or quality an ace mechanic

Ace

trademark

Definition of Ace (Entry 4 of 5)

used for a bandage with elastic properties

Definition of ACE (Entry 5 of 5)

1 American Council on Education

2 \ˌā-​(ˌ)sē-​ˈē, ˈās-​ \ angiotensin converting enzyme The ACE inhibitors are designer molecules developed specifically to attach to their target enzyme and prevent it from activating angiotensin. Virtually the only thing these drugs do in the body is to interact with ACE. However, ACE is not a very specific enzyme; it acts on hormones besides angiotensin.Harvard Medical Health Letter

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Examples of ace in a Sentence

Noun

She won the match by scoring more than 30 aces. took a few lessons with a tennis ace to improve his backhand

Verb

She aced her entrance exams. He aced his annual physical. He aced his opponent on the last point of the match.
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Recent Examples on the Web: Noun

Santaluces ended a 14-year drought without a district title in 2018, and a major reason why was the work Jared Petronis did on the mound as the Chiefs’ ace. David Furones, Sun-Sentinel.com, "Palm Beach 9A-7A baseball player of the year: Jared Petronis, Santaluces junior," 20 June 2018 His player of the year campaign included a 1.45 ERA and 53 strikeouts compared to 12 walks as the Mustangs’ ace. Kyle Stackpole, Howard County Times, "Marriotts Ridge junior Josh Olsufka captures baseball Player of the Year," 20 June 2018 For the Phillies, rookie phenom Seranthony Dominguez has emerged as the relief ace. Scott Lauber, Philly.com, "Phillies manager Gabe Kapler explains his 'different approach' to bullpen management," 16 June 2018 Power, then regarded as a road-course ace, drove in only seven of 17 races that year but won two poles and a race in Edmonton. Dave Caldwell, New York Times, "Why Will Power Could Not Contain Himself After Winning the Indianapolis 500," 8 June 2018 Sakowski: Really good year this year as Louisville's ace. George Sipple, Detroit Free Press, "What scouts say about Detroit Tigers' first 10 draft picks," 6 June 2018 Lopez has allowed two or fewer runs in eight of his 10 starts, establishing himself as the team’s ace in his first full season. Paul Sullivan, chicagotribune.com, "Reynaldo Lopez faces Indians as the White Sox try to avoid a sweep," 30 May 2018 A week ago, the team and its fans were celebrating Paxton’s no-hitter, a dominant and triumphant display from the man set to inherit Hernandez’s mantle as team ace and perhaps become the franchise’s post-Canó​ face. Jon Tayler, SI.com, "Robinson Canó​'s Suspension Just the Latest Cruel Twist for the Playoff-Starved Mariners," 15 May 2018 On the mound, Webb won 14 games and logged 229 innings to begin establishing himself as a legitimate ace. Bob Mcmanaman, azcentral, "Arizona Diamondbacks Chapter Two: Purple Haze 2003-2007," 26 Mar. 2018

Recent Examples on the Web: Verb

Under the current system, applicants must ace the famously difficult Specialized High School Admissions Test. Leslie Brody, WSJ, "Stuyvesant, Other Elite New York Public High Schools Could Admit Students Who Didn’t Pass State Tests," 18 Oct. 2018 The Tesla Model 3 has aced its first crash tests, scoring five stars across the board on the National Highway Traffic Safety Administration’s assessment. Fox News, "Tesla Model 3 gets five star rating in NHTSA crash tests," 21 Sep. 2018 Oliveira has shared four key tips for acing the online vintage hunt. Bianca Nieves, Glamour, "Passport Vintage Is Fashion People's Best-Kept Secret for Vintage Denim," 21 Aug. 2018 Best for Stomach Sleepers Pacific Coast Double DownAround Soft This pillow aced all lab tests, from multiple washings to withstanding weight, but testers were split on whether this combo of down and feathers was soft enough. The Good Housekeeping Institute, Good Housekeeping, "The Best Pillows to Help You Sleep Like a Baby," 12 Jan. 2018 Here are the guys acing summer style right now at the Wimbledon 2018 tournament. The Editors Of Gq, GQ, "Wimbledon 2018: What Stylish Guys Are Wearing to the Best-Dressed Tennis Tournament," 3 July 2018 Aidan Doust of Marshfield, a Quincy College student, has aced his final project for a course in aquaculture. BostonGlobe.com, "Tea by the sea, Korean peace medals, and $2,000 to fight hunger," 13 July 2018 Google has aced transcribing human speech for its AI to parse, and creating a human-sounding robot voice to respond. Aaron Pressman, Fortune, "Data Sheet—Google's Duplex AI Proves Its Powers and Limitations," 28 June 2018 The other is a high achiever who aces tests and thinks the homework her teacher assigns is too easy. Dana Goldstein, New York Times, "Educators Turn to Programs for Top Students to Narrow the ‘Excellence Gap’," 25 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ace.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ace

Noun

14th century, in the meaning defined at sense 1a

Verb

1923, in the meaning defined at sense 1

Adjective

1926, in the meaning defined above

History and Etymology for ace

Noun

Middle English as, borrowed from Anglo-French, going back to Latin ass-, ās "copper money piece (at first a pound, but progressively reduced to a half-ounce), pound unit of weight, unit," of uncertain origin

Note: The word ās has been compared within Latin to asser "wooden beam, pole, post" (generalized from a plural asserēs, from a singular *assis?) and assis, axis (by hypercorrection?) "plank, board," though any relationship is far from certain. A loanword from Etruscan?

Adjective

derivative of ace entry 1

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Learn More about ace

Dictionary Entries near ace

accustom oneself to

AC/DC

Ace

ace

ACE

-acea

-aceae

Statistics for ace

Last Updated

1 Dec 2018

Look-up Popularity

Time Traveler for ace

The first known use of ace was in the 14th century

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More Definitions for ace

ace

noun

English Language Learners Definition of ace

 (Entry 1 of 2)

: a playing card with one large figure in its center that can be the card with either the highest or lowest value

: a person who is very skilled at something

: a point scored on a serve that an opponent fails to hit in tennis

ace

verb

English Language Learners Definition of ace (Entry 2 of 2)

: to earn a very high grade on (an examination) : to get a grade of A on (an examination) : to perform very well on (a test or challenge)

: to score an ace against (an opponent in tennis)

: to score an ace on (a hole in golf)

ace

noun
\ˈās \

Kids Definition of ace

 (Entry 1 of 2)

1 : a playing card with one figure in its center

2 : expert entry 2 a flying ace

ace

adjective

Kids Definition of ace (Entry 2 of 2)

: of the very best kind an ace reporter

Ace

trademark
\ˈās \

Medical Definition of Ace 

(Entry 1 of 2)

used for a bandage with elastic properties

Medical Definition of ACE (Entry 2 of 2)

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More from Merriam-Webster on ace

Rhyming Dictionary: Words that rhyme with ace

Thesaurus: All synonyms and antonyms for ace

Spanish Central: Translation of ace

Nglish: Translation of ace for Spanish Speakers

Britannica English: Translation of ace for Arabic Speakers

Comments on ace

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