forfeit something to lose or give something up as a necessary consequence of something that you have done. If you cancel your flight, you will forfeit your deposit. Definition of forfeit verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. FORFEITED definition: 1. past simple and past participle of forfeit 2. to lose the right to do or have something because…. Learn more. FORFEIT meaning: 1. to lose the right to do or have something because you have broken a rule: 2. to decide not to…. Learn more. FORFEIT definition: 1. to lose the right to do or have something because you have broken a rule: 2. to decide not to…. Learn more.
