/ Dictionary / Index C commercialism: Meaning and Definition of Find definitions for: com•mer•cial•ism Pronunciation: (ku-mûr'shu-liz"um), [key] — n. the principles, practices, and spirit of commerce. a commercial attitude in noncommercial affairs; inappropriate or excessive emphasis on profit, success, or immediate results. a commercial custom or expression. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: commercialism (Thesaurus) commercial fertilizer commerciality Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language