impish

adj of or like an imp; mischievous（似）顽童的; 顽皮的; 恶作剧的.

impersonate, impersonation, impersonator, impertinence, impertinent, impertinently, imperturbability, imperturbable, imperturbably, impervious, imperviousness, impetigo, impetuosity, impetuous, impetuously, impetus, impiety, impinge, impious, impiously, impishly, impishness, implacable, implacably, implant, implantation, implausibility, implausible, implement, implementation, implicate, implication, implicit, implicitly, implied, implode, implore, imploring, imploringly, implosion,