Women find him 'irresistible'. [=women think he is very attractive]
She had an 'irresistible' [=very strong] craving for chocolate.
The force of the waves was 'irresistible'.
(..) Here you are! Look at me! Focus! Gru? I promise that this wig will transform you from ugly to irresistible. Margo has a boyfriend! And they're going on a date! Date? Boyfriend? What? There she goes! (..)2013 Despicable Me 2