undertrick From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA trick that declarer does not win, causing the contract to go down. Related wordsSynonymsovertricktrickdirty tricktrickerationfrauddeceitbrain tricktrickeryswindleunderdealingfakeoutdog's trickcon tricktrickdommisbiddingcheap trick References Wiktionary — undertrick Wikipedia — undertrick