METANOIA Meaning of METANOIA in English [ ˌmɛtə'nɔɪə ]■ noun change in one's way of life resulting from penitence or spiritual conversion.OriginC19: from Gk, from metanoein 'change one's mind'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004