Wiktionary
irresistable
a. (misspelling of irresistible English)
Usage examples of "irresistable".
Then De Trevignac, as if moved by an irresistable impulse, leaned from the saddle and made over Domini the sign of the cross.
No doubt throughout Heptagon House all the Tassal embassy was now being placed under irresistable arrest, with the words of their own prince as their indictment.