Home Help Word English Spanish French Russian German Italian Chinese (Trad.) Chinese (Simpl.) Portuguese Arabic Turkish Greek » Definition of " Sweepstakes " in English English Dictionary Results Sweepstakes A winning of all the stakes or prizes; a sweepstake. n. Sweepstakes The whole money or other things staked at a horse race, a given sum being put up for each horse, all of which goes to the winner, or is divided among several, as may be previously agreed. sing. / pl. Sweepstakes A race for all the sums staked or prizes offered. sing. / pl.