/ Dictionary / Index M misjoinder: Meaning and Definition of Find definitions for: mis•join•der Pronunciation: (mis-join'dur), [key] — n. Law. a joining in one suit or action of causes or of parties not permitted to be so joined. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. misinterpret misjudge Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language