Origin: Latin suffix -ible
Irresistible has 3 different meanings across 1 category:
impossible to resist; overpowering
"irresistible (or resistless) impulses"
"what happens when an irresistible force meets an immovable object?"
Impossible to resist.
"The smell of fresh-baked cookies was irresistible, making it impossible for me to stay in my office any longer."