The at sign (@).

In, near, or in the general vicinity of a particular place.

Alternative form of att (Laos currency unit)

(informal, neologism) Rare form of @; 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)

(Northern England, rare, possibly obsolete) Alternative form of 'at (relative pronoun; reduced form of "that" and/or "what")

In the most favorable of conditions; at the most.

(idiomatic) Immediately; instantaneously; without need of warning.

(idiomatic) Without much effort; easily.

Used to form formal plurals of certain Greek-derived words ending '-a', such as thema/themata, stigma/stigmata, schema/schemata.

(idiomatic) To accept something enthusiastically. Usually an opportunity, or chance, or job etc.