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1

at

play
preposition \ət, ˈat\

Simple 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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of at

  1. 1 —used as a function word to indicate presence or occurrence in, on, or near <staying at a hotel> <at a party> <sick at heart>

  2. 2 —used as a function word to indicate the goal of an indicated or implied action or motion <aim at the target> <creditors are at him again>

  3. 3 —used as a function word to indicate that with which one is occupied or employed <at work> <at the controls> <good at chess>

  4. 4 —used as a function word to indicate situation in an active or passive state or condition <at liberty> <at rest>

  5. 5 —used as a function word to indicate the means, cause, or manner <sold at auction> <laughed at my joke> <act at your own discretion>

  6. 6 a —used as a function word to indicate the rate, degree, or position in a scale or series <the temperature at 90> <at first> b —used as a function word to indicate age or position in time <will retire at 65>

Origin and Etymology of at

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


First Known Use: before 12th century


2

at

noun \ˈät\

Definition of at

plural

at

also

att

  1. — see kip at money table



Variants of at

also

att

play \ˈät\

Origin and Etymology of at

Lao


First Known Use: 1955


3

at

abbreviation

Definition of at

  1. 1 airtight

  2. 2 atmosphere

  3. 3 atomic




At

symbol

Definition of At

  1. astatine



Other Chemical Engineering Terms


AT

abbreviation

Definition of AT

  1. 1 air temperature

  2. 2 ampere-turn

  3. 3 automatic transmission



Other Climate/Meteorology Terms


at-

Definition of at-

  1. see ad-




AT Defined for Kids

at

play
preposition \ət, at\

Definition of at for Students

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

  2. 2 —used to indicate the person or thing toward which an action, motion, or feeling is directed or aimed <swinging at the ball> <laughed at me>

  3. 3 —used to indicate position or condition <at rest>

  4. 4 —used to tell how or why <sold at auction> <angry at his answer>

  5. 5 —used to indicate time, age, or position on a scale <ate at noon> <temperate at 90 degrees>




Medical Dictionary

at

abbreviation

Medical Definition of at

  1. airtight




At

symbol

Medical Definition of At

  1. astatine




AT

abbreviation

Medical Definition of AT

  1. 1assistive technology

  2. 2 usually A–T ataxia-telangiectasia




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