Synonym word of unablest:

can't cut it, can't hack it, can't make the grade, clumsy, helpless, hog-tied, impotent, impuissant, inadequate, incapable, incapacitated, incompetent, ineffectual, inefficacious, inefficient, inept, inoperative, no can do, no good, not able, not cut out for, not equal to, not up to, out of commission, powerless, sidelined, unfit, unfitted, unqualified, unskilled, weak