/ Dictionary / Index A amateurism: Meaning and Definition of Find definitions for: am•a•teur•ism Pronunciation: (am'u-choo-riz"um, -tyoo-, -chu-, -tu-, am"u-tûr'iz-um), [key] — n. the practice, quality, or character of an amateur or amateurish performance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: amateurism (Thesaurus) amateurish amateur night Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language