In′a‐bil″i‐ty (?), n. [Pref. in- not + ability: cf. F. inhabileté. See Able, and cf. Unable.] The quality or state of being unable; lack of ability; want of sufficient power, strength, resources, or capacity.
It is not from an inability to discover what they ought to do, that men err in practice. Blair.
Syn. — Impotence; incapacity; incompetence; weakness; powerlessness; incapability. See Disability.