/ Dictionary / Index F foreignism: Meaning and Definition of Find definitions for: for•eign•ism Pronunciation: (fôr'u-niz"um, for'-), [key] — n. a foreign custom, mannerism, etc. any trait, deviating from accepted speech standards, derived from a foreign language. imitation of anything foreign. a foreign quality. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. foreign-flag foreign legion Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language