/ Dictionary / Index T Theory of Everything: Meaning and Definition of Find definitions for: The'ory of Ev'erything Pronunciation: [key] a theory intended to show that the electroweak, strong, and gravitational forces are components of a single quantized force. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. theory of equations theory of games Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language