INVIGORATE Meaning of INVIGORATE in English v.tr. give vigour or strength to. invigorating adj. invigoratingly adv. invigoration n. invigorative adj. invigorator n.[ IN-(2) + med.L vigorare vigorat- make strong ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012