/ Dictionary / Index S spaceflight: Meaning and Definition of Find definitions for: space•flight Pronunciation: (spās'flīt"), [key] — n. the flying of manned or unmanned spacecraft into or in outer space. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spaceflight (Thesaurus) spaced-out space group Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language