untrustworthy

a. 不能信赖的,靠不住的

untidily, untidiness, untidy, untie, until, until (also till), untimeliness, untimely, untired, untiring, untiringly, untitled, untold, untouchable, untouched, untoward, untrammelled (US also untrammeled), untreated, untried, untrue, untruth, untruthful, untruthfully, untruthfulness, unturned, untutored, unusable, unused, unusual, unusually, unutterable, unutterably, unvaried, unvarnished, unveil, unversed, unvoiced, unwaged, unwanted, unwarily,