/ Dictionary / Index E expansivity: Meaning and Definition of Find definitions for: ex•pan•siv•i•ty Pronunciation: (ek"span-siv'i-tē), [key] — n. the quality or state of being expansive; expansiveness. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: expansivity (Thesaurus) expansive classification ex parte Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language