/ Dictionary / Index B balloonist: Meaning and Definition of Find definitions for: bal•loon•ist Pronunciation: (bu-l'nist), [key] — n. a person who ascends in a balloon, esp. as a sport or hobby. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: balloonist (Thesaurus) balloon frame balloon sail Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language