/ Dictionary / Index B broadband: Meaning and Definition of Find definitions for: broad•band Pronunciation: (brôd'band"), [key] — adj. Telecommunications. of, pertaining to, or responsive to a continuous, wide range of frequencies. Cf. sharp (def. 23). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: broadband (Thesaurus) broadax broad-based 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