/ Dictionary / Index I isolated set: Meaning and Definition of Find definitions for: i'solated set' Pronunciation: [key] a set containing none of its accumulation points, consisting, therefore, of only isolated points. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. isolated point isolating Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language