unresistant

/ˌʌnrɪˈzɪstənt/
adjective
  1. Not offering resistance; yielding or susceptible to something.
    • Plants that are unresistant to pests need extra care.
    • The old wood was unresistant to the dampness and began to rot.
    • He was unresistant to the idea and agreed immediately.
Antonyms
What does "unresistant" mean? | whatsthatwordmean | whatsthatwordmean