/ Dictionary / Index M multiple neuritis: Meaning and Definition of Find definitions for: mul'tiple neuri'tis Pronunciation: [key] polyneuritis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. multiple myeloma multiple personality Related Content Daily Word Quiz: acerbity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language