/ Dictionary / Index B boosterism: Meaning and Definition of Find definitions for: boost•er•ism Pronunciation: (b'stu-riz"um), [key] — n. the action or policy of enthusiastically promoting something, as a city, product, or way of life: boosterism about the latest world's fair. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. booster cable booster seat Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language