at

Noun

at noun

1. The at sign (@).

at noun

1. A subdivision of currency, equal to one hundredth of a Lao kip.

Verb

at verb

1. To reply to or talk to someone, either online or face-to-face. (from the practice of targeting a message or reply to someone online by writing @name)“Cars 2 is the most influential film of all time. Don't @ me.”

Preposition

at preposition

1. In, near, or in the general vicinity of a particular place.“Caesar was at Rome;  at the corner of Fourth Street and Vine;  at Jim’s house”
2. (indicating time) Indicating occurrence in an instant of time or a period of time relatively short in context or from the speaker's perspective.“at six o’clock;  at closing time;  at night.”
3. In the direction of (often in an unfocused or uncaring manner).“He threw the ball at me.  He shouted at her.”
4. Denotes a price.“3 apples at 2¢ (each)   The offer was at $30,000 before negotiations.”

Pronoun

at pronoun

1. Reduced form of that.“I've never seen anything like ’at.”