incapable

/ɪnˈkeɪpəbəl/
adjective
  1. Not having the ability, skill, or power to do something.
    • The old computer is incapable of running the latest software.
    • Without proper training, he was incapable of performing the surgery.
    • She felt incapable of making such a big decision alone.
  2. Not able to behave in a particular way because of one's character or nature.
    • He is incapable of lying, even to protect himself.
    • Some people are simply incapable of keeping a secret.
    • The kind-hearted woman was incapable of hurting anyone's feelings.
Antonyms