/ Dictionary / Index I intermediate range ballistic missile: Meaning and Definition of Find definitions for: interme'diate range" ballis'tic mis'sile Pronunciation: [key] any supersonic missile that has a range of 800 to 1500 nautical mi. (1500 to 2800 km) and follows a ballistic trajectory after a powered, guided launching. Abbr.: IRBM, I.R.B.M. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. intermediate host intermediate school Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language