/ Dictionary / Index A ascesis: Meaning and Definition of Find definitions for: as•ce•sis Pronunciation: (u-sē'sis), [key] — pl. -ses askesis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ascesis (Thesaurus) ascertain ascetic Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language