|part of speech:
||impossible to withstand or resist.
We had not planned on doing business with them, but their offer was irresistible.It was a serious occasion, but I had a nearly irresistible urge to laugh.The delicious-looking pie was simply irresistible.
||glamorous, infectious, inviting, necessary, strong, unavoidable
||irresistibly (adv.), irresistibility (n.)