- 1so strong that it cannot be stopped or resisted I felt an irresistible urge to laugh. His arguments were irresistible. The temptation proved irresistible. opposite resistible
- 2so attractive that you feel you must have it an irresistible bargain On such a hot day, the water was irresistible (= it made you want to swim in it). irresistible to somebody The bright colors were irresistible to the baby.
NAmE//ˌɪrɪˈzɪstəbli//
adverb They were irresistibly drawn to each other.See irresistible in the Oxford Advanced Learner's DictionaryCheck pronunciation: irresistible