/ Dictionary / Index T topple: Meaning and Definition of Find definitions for: top•ple Pronunciation: (top'ul), [key] — v., -pled, -pling. —v.i. to fall forward, as from having too heavy a top; pitch; tumble down. to lean over or jut, as if threatening to fall. —v.t. to cause to topple. to overthrow, as from a position of authority: to topple the king. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: topple (Thesaurus) topping lift top quark Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language