/ Dictionary / Index S specificity: Meaning and Definition of Find definitions for: spec•i•fic•i•ty Pronunciation: (spes"u-fis'i-tē), [key] — n. the quality or state of being specific. the selective attachment or influence of one substance on another, as an antibiotic and its target organism or an antibody and its specific antigen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: specificity (Thesaurus) specific inductive capacity specific performance Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language