Strength
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awkwardness, inefficaciousness, stupidity, imbecility, ineffectiveness, unstableness, exterior, helplessness, maladroitness, inaptitude, outside, idleness, disability, lethargy, weakness, ineffectualness, insubstantiality, lack, unsteadiness, precariousness, enervation, inefficiency, powerlessness, disadvantage, Exteriority, uselessness, instability, paralysis, unsubstantiality, dulness, infirmity, insecurity, ineffectuality, inefficacy, inactivity, shakiness, impotency, incapableness, cowardice.