unable
A2Adjektiv/US /ənˈeɪbəl/ ən-ĀB-əl; UK /ənˈeɪbəl/ ən-ĀB-əl/
Not able; not having sufficient strength, means, knowledge, skill, or the like; impotent' weak; helpless; incapable; -- now usually followed by an infinitive or an adverbial phrase; as, unable for work; unable to bear fatigue.
