/ Dictionary / Index M mushyheaded: Meaning and Definition of Find definitions for: mush•y•head•ed Pronunciation: (mush'ē-hed"id, moosh'-), [key] — adj. Informal. inadequately thought out: mushyheaded ideas. having vague, unsubstantiated, or unrealistic ideas or opinions: a mushyheaded idealist. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mushy Musial Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language