can't make the grade

helpless impotent inadequate incapable not able powerless sidelined unfit weak

can't cut it can't hack it clumsy hog-tied impuissant incapacitated incompetent ineffectual inefficacious inefficient inept inoperative no can do no good not cut out for not equal to not up to out of commission unfitted unqualified unskilled

able capable competent fit potent qualified strong sufficient

adequate skillful talented

ill-equipped inadequate inappropriate unhealthy unlikely unsuitable unsuited useless

debilitated down dragging mistaken

below par decrepit discordant feeble flimsy ill-adapted ill-suited improper inapplicable incompatible incongruous incorrect ineffective inexpedient infelicitous inharmonious laid low not fit out of element out of place out of shape poorly rocky unbecoming uncongenial uncool unmeet unpromising valueless

appropriate proper suitable

able fit qualified willing