v. 1 tr. affect with loathing or disgust. 2 intr. a (often foll. by for) show symptoms of illness (is sickening for measles). b (often foll. by at, or to + infin.) feel nausea or disgust (he sickened at the sight). 3 (as sickening adj.) a loathsome, disgusting. b colloq. very annoying. sickeningly adv.
SICKEN
Meaning of SICKEN in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012