/ Dictionary / Index T thersitical: Meaning and Definition of Find definitions for: ther•sit•i•cal Pronunciation: (thur-sit'i-kul), [key] — adj. scurrilous; foulmouthed; grossly abusive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Thersites Thes. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language