FEM in English dictionary fem Meanings and definitions of "FEM" (colloquial, pejorative) An effeminate or homosexual man. noun (colloquial, pejorative) An effeminate or homosexual man. noun (LGBT slang) The more feminine member of a lesbian relationship. more Grammar and declension of FEM fem ( plural fems) fem (plural fems) more FEM Meanings and definitions of "FEM" abbreviation (electronics) Front End Module abbreviation Abbreviation of [i]finite element method[/i]. more Sample sentences with "FEM" Declension Stem Try again Available translations Czech Dutch French German Hindi Irish Lithuanian Norwegian Persian Polish Spanish Tamil Turkish Authors