/ Dictionary / Index I isls.: Meaning and Definition of Find definitions for: isls. Pronunciation: [key] islands. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Islip ism Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language