/ Dictionary / Index M myopathy: Meaning and Definition of Find definitions for: my•op•a•thy Pronunciation: (mī-op'u-thē), [key] — n. Pathol. any abnormality or disease of muscle tissue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: myopathy (Thesaurus) myoneuralgia myopia 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