/ Dictionary / Index M missileer: Meaning and Definition of Find definitions for: mis•sil•eer Pronunciation: (mis"u-lēr'), [key] — n. missileman. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. missile missile gap Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language