Inability

(n.) The quality or state of being unable; lack of ability; want of sufficient power, strength, resources, or capacity.

Thesaurus Entries

disability, disablement, disqualification, imbecility, inadeptness, inadequacy, inaptitude, inaptness, inattentiveness, incapability, incapacitation, incapacity, incompetence, incompetency, indexterity, ineffectiveness, ineffectuality, ineffectualness, inefficiency, ineptitude, ineptness, infancy, inferiority, insufficiency, legal incapacity, maladjustment, maladroitness, mediocrity, minority, pedestrianism, rustiness, skill-lessness, thoughtlessness, unaptness, uncleverness, undeftness, undexterousness, undextrousness, unfitness, unfittedness, unintelligence, unproficiency, unschooledness, unskillfulness, untrainedness, wardship