irresistibly irresistibly /ˌɪrɪˈzɪstəbli/

adverb

1. Incapable of being resisted  ( irresistibly , overpoweringly , devastatingly , overwhelmingly )
   incapable of being resisted
    The candy looked overwhelmingly desirable to the dieting man
   the candy looked overwhelmingly desirable to the dieting man