/ Dictionary / Index M multiplicity: Meaning and Definition of Find definitions for: mul•ti•plic•i•ty Pronunciation: (mul"tu-plis'i-tē), [key] — pl. -ties. a large number or variety: a multiplicity of errors. the state of being multiplex or manifold; manifold variety. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: multiplicity (Thesaurus) multiplicative inverse multiplier Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language