unusable

adj.无法使用的

untimely, untired, untiring, untiringly, untitled, untold, untouchable, untouched, untoward, untrammelled (US also untrammeled), untreated, untried, untrue, untrustworthy, untruth, untruthful, untruthfully, untruthfulness, unturned, untutored, unused, unusual, unusually, unutterable, unutterably, unvaried, unvarnished, unveil, unversed, unvoiced, unwaged, unwanted, unwarily, unwariness, unwarrantable, unwarranted, unwary, unwelcome, unwholesome, unwieldiness,