FACTIOUS Meaning of FACTIOUS in English [ 'fakʃəs ]■ adjective relating or inclined to dissension.Derivatives~ly adverb~ness noun OriginC16: from Fr. factieux or L. factiosus , from factio (see faction 1 ). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004