Definition of unresistible in English:

unresistible

adjective

rare
  • Irresistible.

Origin

Late 16th century; earliest use found in Walter Raleigh (1554–1618), courtier, explorer, and author. From un- + resist + -ible.

Pronunciation

unresistible

/(ˌ)ʌnrɪˈzɪstɪbl/