Breadcrumb Home > Dictionary > Index P paresis: Meaning and Definition of Find definitions for: pa•re•sis Pronunciation: (pu-rē'sis, par'u-sis), [key] — n. Pathol. partial motor paralysis. a late manifestation of syphilis, characterized by progressive dementia and paralysis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: paresis (Thesaurus) parergon paresthesia ✖ Related Content Daily Word Quiz: centrifugal Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language