Not able; lacking a certain ability.

(aviation) Indicating that a requested course of action is not possible to carry out.

(transitive, nonstandard) To render unable; to disable.

The quality of being unable.

(obsolete) Disabled.

Third-person singular simple present indicative form of unable

comparative form of unable: more unable

In an unable way; without skill or ability.

Lack of ability; inability.

Not ablated.