/ Dictionary / Index T third degree: Meaning and Definition of Find definitions for: third' degree' Pronunciation: [key] intensive questioning or rough treatment, esp. by the police, in order to get information or a confession. the degree of master mason in Freemasonry. third-de•gree Pronunciation: (thûrd'di-grē'), [key] — v., adj. -greed, -gree•ing, —v.t. to subject to the third degree. —adj. of or pertaining to the third degree. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Third Commandment third-degree burn Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language