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

Sure enough, four years into his major-league career, Nola is an honest-to-goodness ace. Scott Lauber, Philly.com, "Phillies ace Aaron Nola's devastating offspeed pitches put him in the fast lane to the All-Star Game," 12 July 2018 In addition to being the team's ace in the pitcher's circle, Wynn was Whitnall's top hitter. Christopher Kuhagen, Milwaukee Journal Sentinel, "Photos share the stories of a memorable 2018 spring sports season in Milwaukee's suburbs," 20 June 2018 Shuffle management is just one more ace in the hole. Jo Craven Mcginty, WSJ, "The Trick Behind Properly Shuffling Cards," 11 May 2018 The Mariners’ erstwhile ace has been dealing with lower back issues the last few outings since tweaking it in a workout in Baltimore. Ryan Divish, The Seattle Times, "Mariners place Felix Hernandez on the 10-day disabled list," 10 July 2018 The Dodgers’ ace struck out five and scattered two hits and a walk over six shutout innings to improve to 18-6 in 32 career starts (1.89 ERA) against the Padres. Jeff Sanders, sandiegouniontribune.com, "Again, Dodgers beat up on Padres' Luis Perdomo," 9 July 2018 Matt Harvey trade talk is nothing new, with the Cincinnati Reds expected to reap the benefits of a May trade for the former New York Mets ace. Dave Clark, Cincinnati.com, "MLB.com: Reds pitcher Matt Harvey among trade candidates with stocks rising," 6 July 2018 That is according to Spanish news outlet Marca, who are suggesting that new Los Blancos boss Julen Lopetegui is considering a move for the former Barcelona ace, but as a potential replacement for Mateo Kovacic. SI.com, "Real Madrid Line Up Spain Attacker as They Brace Themselves for Kovacic Exit," 21 June 2018 The Wolverines ace rose to the occasion throughout the season for the team. Wells Dusenbury, Sun-Sentinel.com, "Palm Beach 9A-7A softball player of the year: Danni Farley, Wellington senior," 20 June 2018

Recent Examples on the Web: Verb

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 Imagine my surprise when this dryer delivered a fast, pretty blowout and aced our lab tests. Jessica Teich, USA TODAY, "The best hair styling tools of 2018," 1 May 2018 If most companies ace the profit test and their CEOs downplay the potential fallout from rising trade tensions, 401(k)s that have been languishing could get a boost as stocks move higher on the upbeat earnings news. Adam Shell, USA TODAY, "How 401(k) investors can profit from strong earnings season on Wall Street," 13 July 2018 Dodgers ace Clayton Kershaw will reportedly return from the disabled list on Saturday, according to MLB.com's Ken Gurnick. Jenna West, SI.com, "Report: Clayton Kershaw To Return From Disabled List on Saturday vs. Mets," 22 June 2018 Dodgers ace Clayton Kershaw has accelerated his return to the big-league roster. Andy Mccullough, latimes.com, "Dodgers ace Clayton Kershaw to start Saturday against Mets," 22 June 2018 Low-income parents in the largely Chinese immigrant neighborhood often scrimp to pay thousands of dollars for test preparation, for years, in hopes their children will ace the test. Leslie Brody, WSJ, "Parents at Sunset Park Meeting Call for Keeping High School Admission Test," 6 June 2018 Chad Peterson closed out the streak April 28 by acing the seventh hole, the shortest of those included in the four-day streak by a yard. Jordan Guskey, Indianapolis Star, "Meridian Hills Country Club experiences four straight days of hole-in-ones," 8 May 2018 The Wings gave Bertuzzi a chance to audition on the line two games ago, and Bertuzzi has aced his test so far. Helene St. James, Detroit Free Press, "Red Wings: Jimmy Howard, Tyler Bertuzzi clicking going into '18," 1 Jan. 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

accustomed

accustom oneself to

AC/DC

ace

Ace

ACE

-acea

Phrases Related to ace

an ace up one's sleeve

hold all the aces

Statistics for ace

Last Updated

6 Oct 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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Comments on ace

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