Definition of at
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
—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
—used as a function word to indicate that with which one is occupied or employed
- at work
- at the controls
- good at chess
4
—used as a function word to indicate situation in an active or passive state or condition
- at liberty
- at rest
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 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
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