/ Dictionary / Index V validity: Meaning and Definition of Find definitions for: va•lid•i•ty Pronunciation: (vu-lid'i-tē), [key] — n. the state or quality of being valid: to question the validity of the argument. legal soundness or force. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: validity (Thesaurus) validate Valinda Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language