(computing) Atari ST. / Initialism of Star Trek. / (linguistics, Egyptology) Initialism of Standard Theory.

Someone who acts as a game master (GM) in a tabletop role-playing game, especially any of the games produced by White Wolf.

Expressing a sudden desire for silence.

Abbreviation of street (in names of specific streets, not as a common noun) / Abbreviation of Saint (always capitalized). / (US) Abbreviation of state (pertaining to U.S. states)

Abbreviation of street. (Usually as “st.” Also as “st”. Sometimes capitalized.) / Abbreviation of Saint. (Always capitalized.) / Abbreviation of state.

Alternative letter-case form of St., abbreviation of street.

Marks ordinals written in digits when the final term of the spelled number is "first"

(archaic) Verb suffix for the second-person singular; Alternative form of -est

Excrescent suffix (adding sound but largely not changing the meaning).

Abbreviation of Saint.