/ Dictionary / Index B ballistic missile: Meaning and Definition of Find definitions for: ballis'tic mis'sile Pronunciation: [key] — Rocketry. Rocketry. any missile that, after being launched and possibly guided during takeoff, travels unpowered in a ballistic trajectory. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ballistic galvanometer ballistic pendulum 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