at /ˈæt/ /ət/ preposition
/ˈæt/ /ət/
Learner's 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
: because of or in reaction to (something)
used to indicate the cause of an action, feeling, etc.
used to indicate an activity
used to indicate a situation or condition
used to indicate position on a scale or in a series
used to indicate a rate
used to indicate an age or time
used to indicate the method by which something is done
used in phrases like at best, at worst, etc., to indicate a possible result or condition that is considered best, worst, etc.
used in phrases like at its best, at its worst, etc., to indicate that something or someone is as good, bad, etc., as possible
◊ The word at is used in speech in e-mail addresses.
In writing, the symbol @ is used instead.

at it

: doing some activity

at that

see 1that

where it's at

see 1where

where (someone) is at

see 1where