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