/ Dictionary / Index A applecart: Meaning and Definition of Find definitions for: ap•ple•cart Pronunciation: (ap'ul-kärt"), [key] — n. a pushcart used by a vendor of apples. to ruin plans or arrangements; spoil something: He was making a fantastic profit until a competitor upset the applecart by cutting prices. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: applecart (Thesaurus) apple butter apple dowdy Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language