at

at is on the Basic English 850 List.

as - at - attack

at is one of the 1000 most common headwords.

assume - at - attend

Preposition

Used to say where something is, or when saying something's position
I am at home.

Let's meet at the pub!
Used to say the time at which something happened or will happen
Breakfast is at 9 o'clock.

At 5pm we went home.
Used to direct attention towards a state, event, or detail
Look at how lucky we are.
Used to say something's state
At half price!

Water boils at high temperatures.

Symbol
at sign

The @ symbol, used to replace at
support@microsoft.com is an email address.

Apples @ £1.50 per kilogram.

Punctuation marks (edit)

apostrophe ( ' ) ( ’ ) • brackets ( [] ) • braces ( {} ) • colon ( : ) • comma ( , ) • dashes ( – ) ( — ) • ellipsis ( ... ) • exclamation mark ( ! ) • hyphen ( ‐ ) ( - ) • parentheses ( () ) • period / full stop ( . ) • question mark ( ? ) • quotation marks ( ' ' ) ( " " ) • semicolon ( ; ) • slash ( / )

Other: ampersand ( & ) • asterisk ( * ) • at ( @ ) • backslash ( \ ) • bullet ( • ) ( · ) • degree ( ° ) • number sign / pound sign ( # ) • tilde ( ~ ) • underscore ( _ ) • vertical bar / pipe ( | ) •