/ Dictionary / Index I interisland: Meaning and Definition of Find definitions for: in•ter•is•land Pronunciation: (in"tur-ī'lund), [key] — adj. being or operating between islands: interisland transportation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interior monologue interj. 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