\ət, ˈat\

Definition of at 

(Entry 1 of 6)

1 used as a function word to indicate presence or occurrence in, on, or near staying at a hotelat a partysick at heart

2 used as a function word to indicate the goal of an indicated or implied action or motion aim at the targetcreditors are at him again

3 used as a function word to indicate that with which one is occupied or employed at workat the controlsgood at chess

4 used as a function word to indicate situation in an active or passive state or condition at libertyat rest

5 used as a function word to indicate the means, cause, or manner sold at auctionlaughed at my jokeact at your own discretion

6a used as a function word to indicate the rate, degree, or position in a scale or series the temperature at 90at first

b used as a function word to indicate age or position in time will retire at 65


\ˈät \
variants: or less commonly
plural at also att

Definition of at (Entry 2 of 6)

: a monetary subunit of the kip — see kip at Money Table


abbreviation (1)

Definition of at (Entry 3 of 6)

1 airtight

2 atmosphere

3 atomic



Definition of At (Entry 4 of 6)



abbreviation (2)

Definition of AT (Entry 5 of 6)

1 air temperature

2 ampere-turn

3 usually A-T ataxia-telangiectasia … joined the fight to find a cure for ataxia-telangiectasia, also known as A-T, a rare but deadly genetic disease that currently afflicts about 600 U.S. children, causing neurological deterioration and usually proving fatal by their 20s.— Thomas Fields-Meyer

4 automatic transmission



Definition of at- (Entry 6 of 6)

— see ad-

Examples of at in a Sentence

Recent Examples on the Web: Noun

In a Tribune report earlier this week, organizers suggested the group could follow a half-mile path down Clark Street to the U.S. Immigration and Customs Enforcement’s Chicago office at 101 W. Congress Parkway. Ese Olumhense, chicagotribune.com, "Thousands expected in Loop Saturday to rally against separation of immigrant families," 29 June 2018 That meant, essentially, that anyone could crash Wardle's Taiwanese friend's phone at will, simply by sending her any text message that triggered a notification and included the Taiwanese flag. Andy Greenberg, WIRED, "Apple's China-Friendly Censorship Caused an iPhone-Crashing Bug," 10 July 2018 Eugenie and Beatrice made a splash at Will and Kate's wedding with their bold hats, but both wore more understated ensembles Saturday morning. Kate Storey, Good Housekeeping, "Sarah Ferguson Arrives at the Royal Wedding — After Getting Snubbed for William and Kate's," 19 May 2018 Those willing to break the limit and hurtle down the highway at, say, 89 mph without slowing down would shave around 6 minutes off the trip compared with someone driving 75. Jo Craven Mcginty, WSJ, "Speed-Limit Boosts Show No Signs of Slowing Down," 16 Mar. 2018 One royal event Ferguson will be front-and-center at is her daughter Eugenie's upcoming wedding. Tyler Mccarthy, Fox News, "Meghan Markle, Prince Harry reportedly don't invite Sarah Ferguson to royal wedding event," 8 May 2018 The loss of cornerback Bashaud Breeland left an opening at cornerback. Lorenzo Reyes, USA TODAY, "Three and out: Washington Redskins' 2018 NFL draft needs, prospect fits," 5 Apr. 2018 The Bulldogs rallied by scoring four of the first five goals in the third quarter to trail by only four at, 13-9. Steve Evans, Sun-Sentinel.com, "South Broward's late rally falls short as Bulldogs lose in state water polo final," 5 May 2018 Residents are often limited in their ability to leave a nursing home at will, but facilities generally try to offer engaging programming to help keep seniors' minds sharp. Scott Nordlund, sandiegouniontribune.com, "At a glance: 5 senior housing options," 24 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'at.' 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 at


before the 12th century, in the meaning defined at sense 1


1955, in the meaning defined above

History and Etymology for at


Middle English, from Old English æt; akin to Old High German az at, Latin ad



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as you please






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Time Traveler for at

The first known use of at was before the 12th century

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More Definitions for at

English Language Learners Definition of at

—used to indicate the place where someone or something is

—used to indicate the person or thing toward which an action, motion, or feeling is directed or aimed

—used to indicate something that is being tried or attempted

\ət, at\

Kids Definition of at

1 used to indicate a particular place or time They're at the door.Be here at six.

2 used to indicate the person or thing toward which an action, motion, or feeling is directed or aimed swinging at the balllaughed at me

3 used to indicate position or condition at rest

4 used to tell how or why sold at auctionangry at his answer

5 used to indicate time, age, or position on a scale ate at noontemperate at 90 degrees

Medical Definition of at 

(Entry 1 of 3)




Medical Definition of At (Entry 2 of 3)


Medical Definition of AT (Entry 3 of 3)

1 assistive technology

2 usually A-T ataxia-telangiectasia

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Spanish Central: Translation of at

Nglish: Translation of at for Spanish Speakers

Britannica English: Translation of at for Arabic Speakers

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playful or foolish behavior

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