(idiomatic) Literally, exactly, following the rules as written.

Third-person singular simple present indicative form of letter

Literature (school subject). / The liberal arts, humanities, learning (broad accumulated cultural knowledge).

present participle of letter

Written text, especially when printed.

plural of letter

plural of lettering

Alternative form of Lettrism

A letter written in clear, unjoined handwriting.

(US) An identifying initial of the academic institution that is awarded to a member of a varsity team. It is made from structured cloth, and intended to be sewn to a piece of clothing such as a varsity sweater or varsity jacket.