incapable: Meaning and Definition of

in•ca•pa•ble

1. not capable.
2. not having the necessary ability, qualification, or strength to perform some specified act or function: As an administrator, he is simply incapable.
3. without ordinary capability; incompetent.
4. These materials are incapable of exact measurement.
1. not having the ability, qualification, or strength for (a specified act or function).
2. not open to; not susceptible to or admitting:These materials are incapable of exact measurement.
3. legally unqualified for.

1. a thoroughly incompetent person, esp. one of defective mentality.