noun
lack of sufficient power, resources, or capacity to perform
suffered from an inability to make quick decisions
Synonyms: inadequacy, incapability, incapacity, incompetence, ineffectiveness, ineffectualness, inefficacy
Related Word: inadeptness, inaptitude, inaptness, inefficiency, ineptitude, ineptness
Contrasted words: adequacy, capability, capacity; competence, efficiency
Antonyms: ability