APPAL Meaning of APPAL in English v.tr. (US appall) (appalled, appalling) 1 greatly dismay or horrify. 2 (as appalling adj.) colloq. shocking, unpleasant; bad. appallingly adv.[ ME f. OF apalir grow pale ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012