undesirable

a.不受欢迎的 n.不受欢迎的人，令人不快的人

understood, understudy, undertake, undertaker, undertaking, undertone, undertow, underutilize, undervalue, underwater, underwear, underweight, underwent, underworld, underwrite, underwriter, undeserved, undeservedly, undeserving, undesignated, undesirably, undetectable, undeterred, undeveloped, undid, undies, undignified, undirected, undischarged, undisclosed, undiscovered, undisputed, undistinguished, undisturbed, undivided, undo, undoing, undone, undoubted, undoubtedly,