/ Dictionary / Index S superjet: Meaning and Definition of Find definitions for: su•per•jet Pronunciation: (s'pur-jet"), [key] — n. a jet aircraft, esp. a large one, capable of supersonic flight. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. superjacent superl. Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language