/ Dictionary / Index M misseem: Meaning and Definition of Find definitions for: mis•seem Pronunciation: (mis-sēm'), [key] — v.t. Archaic. misbecome. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. missay missel thrush Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language