/ Dictionary / Index H hyposthenia: Meaning and Definition of Find definitions for: hy•pos•the•ni•a Pronunciation: (hī"pos-thē'nē-u), [key] — n. abnormal lack of strength; weakness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hypostatize hypostome Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language