/ Dictionary / Index A avidity: Meaning and Definition of Find definitions for: a•vid•i•ty Pronunciation: (u-vid'i-tē), [key] — n. eagerness; greediness. enthusiasm or dedication. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: avidity (Thesaurus) avidin avidya Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language