Synonyms of irresistible

Adjective

1. irresistible (vs. resistible), resistless, overpowering, overwhelming

usage: impossible to resist; overpowering; "irresistible (or resistless) impulses"; "what happens when an irresistible force meets an immovable object?"

2. irresistible, attractive (vs. unattractive)

usage: overpoweringly attractive; "irresistible beauty"

Definition and meaning of irresistible (Dictionary)