(dialect, Northern English, modal auxiliary, defective) Must.

(obsolete, dialect) The mouth, jaw.

(UK, dialect) man

(UK, dialect, Devon, Somerset, obsolete) them

(role-playing games, Internet slang) The person who roleplays a character in a role-playing game, especially an online play-by-post one.

(law) Abbreviation of municipal.

Ellipsis of River Mun.; A river in Thailand / Ellipsis of Mun River.; A river in Norfolk, England, United Kingdom

(countable) A surname.

(education) Abbreviation of model United Nations.

Abbreviation of Memorial University of Newfoundland.