View synonyms for at



[ at; unstressed uht, it ]


  1. (used to indicate a point or place occupied in space); in, on, or near:

    to stand at the door;

    at the bottom of the barrel.

  2. (used to indicate a location or position, as in time, on a scale, or in order):

    at zero;

    at noon;

    at age 65;

    at the end;

    at the lowest point.

  3. (used to indicate presence or location):

    at home;

    at hand.

  4. (used to indicate amount, degree, or rate):

    at great speed;

    at high altitudes.

  5. (used to indicate a direction, goal, or objective); toward:

    Aim at the mark.

    Look at that.

  6. (used to indicate occupation or involvement):

    at work;

    at play.

  7. (used to indicate a state or condition):

    at ease;

    at peace.

  8. (used to indicate a cause or source):

    She was annoyed at his stupidity.

  9. (used to indicate a method or manner):

    He spoke at length.

  10. (used to indicate relative quality or value):

    at one's best;

    at cost.


  1. @, a symbol that is used in email addresses to link a username to a domain name, used at the beginning of Twitter handles, and in other identifying designations on the internet.

verb (used with object)

ed or ateding or ating
  1. (on social media)
    1. to tag an account that begins with the symbol @, resulting in a link to that account’s profile and a notification to the user that their account has been explicitly mentioned in someone else’s post:

      One big celebrity at-ed the restaurant, and suddenly reservations were booked for the next six weeks.

    2. to include or involve someone, or to call a person out, especially when that person does not want to be involved or singled out:

      My opinions are my own, so please don’t at my employer about the stuff I write on this site.

    3. to argue with someone, or dispute someone’s stated views, especially on social media:

      The sequel was better than the original—don’t at me!



abbreviation for


or att

[ aht, at ]


, plural at or ats.
  1. a money of account of Laos, one 100th of a kip.


Symbol, Chemistry.
  1. astatine.



abbreviation for

  1. achievement test.



abbreviation for

  1. attotesla.


  1. variant of ad- before t: attend.



abbreviation for

  1. atmosphere.
  2. atomic.
  3. attorney.



abbreviation for

  1. Atlantic time.



the chemical symbol for

  1. astatine

symbol for

  1. AlsoA ampere-turn



abbreviation for

  1. attainment target



the internet domain name for

  1. Austria



/ ɑːt; æt /


  1. a Laotian monetary unit worth one hundredth of a kip



/ æt /


  1. used to indicate location or position

    are they at the table?

    staying at a small hotel

  2. towards; in the direction of

    looking at television

    throwing stones at windows

  3. used to indicate position in time

    come at three o'clock

  4. engaged in; in a state of (being)

    stand at ease

    children at play

    he is at his most charming today

  5. (in expressions concerned with habitual activity) during the passing of (esp in the phrase at night )

    he used to work at night

  6. for; in exchange for

    it's selling at four pounds

  7. used to indicate the object of an emotion

    angry at the driver

    shocked at his behaviour

  8. where it's at slang.
    the real place of action



abbreviation for

  1. Alsoatm atmosphere (unit of pressure)
  2. atomic

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Word History and Origins

Origin of at1

First recorded before 900; Middle English; Old English æt; cognate with Old Frisian et, Old Norse, Old Saxon, Gothic at, Old High German az, Latin, Old Welsh, Old Breton ad, Oscan ad-, Umbrian ař-, Old Irish, Gaulish, Phrygian ad-

Origin of at2

First recorded in 1950–55; from Lao; compare Thai ʔàt formerly, a copper coin worth one eighth of a füang, ultimately from Pali aṭṭha eight

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Word History and Origins

Origin of at1

from Thai

Origin of at2

Old English æt; related to Old Norse at to, Latin ad to

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Idioms and Phrases

  1. be at (someone), to be sexually aggressive toward (a person):

    She's pregnant again because he's at her morning, noon, and night.

  2. where it's at, Informal. the place where the most interesting or exciting things happen:

    Emma says that Rome is definitely where it's at now.

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Example Sentences

I spoke first with Scott Ellman, a student at Wesleyan University and now the Huffington Post editor-at-large for his campus.

The at-home genetics testing company 23andme, established in 2006, helps people learn more about their “DNA relatives.”

This at-home blood test kit gives a full reading of antioxidant, fatty acid, or vitamin panels.

At-home caretakers are eligible for Medicaid waivers, which allow benefits regardless of income.

Because women with disabilities are one of the most at-risk demographics in the world.

Tressan was monstrous ill-at-ease, and his face lost a good deal of its habitual plethora of colour.

A fellow rudely clad—a hybrid between man-at-arms and lackey—lounged on a musket to confront them in the gateway.

And the Seneschal, moved by that confident promise of evil, threw himself before the men-at-arms.

On the first day, a thousand English archers, supported by men-at-arms, attempted to draw the Scots.

Belhaven made his escape to his own country, and was there beyond the reach of the Serjeant-at-Arms.


Definitions and idiom definitions from Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.