Oxford Dictionary English spread betting nounnoun BrE BrE//ˌspred ˈbetɪŋ// ; NAmE NAmE//ˌspred ˈbetɪŋ// [uncountable] Add to my wordlistjump to other resultsa type of betting in which you bet money on whether you think the predicted outcome is too high or too low. The amount of money you win or lose depends on the extent to which you are right or wrong.Check pronunciation: spread betting oxfordlearnersdictionaries.com