unwanted

a. 不必要的,空闲的

untrue, untrustworthy, untruth, untruthful, untruthfully, untruthfulness, unturned, untutored, unusable, unused, unusual, unusually, unutterable, unutterably, unvaried, unvarnished, unveil, unversed, unvoiced, unwaged, unwarily, unwariness, unwarrantable, unwarranted, unwary, unwelcome, unwholesome, unwieldiness, unwieldy, unwilling, unwillingly, unwillingness, unwind, unwise, unwisely, unwitting, unwittingly, unwonted, unworkable, unworldliness,