twofold UK /ˈtuːfəʊld/US /ˈtufoʊld/adjective 2adverb 1 adjective2 •Double; duplicate; multiplied by two.The wheat produced a twofold harvest. •Having two parts, especially two different parts.Had I but landed there and brought unto him a twofold joy, first golden health and next this my song of triumph to be a splendour in his Pythian crown […] — 1874 adverb1 •In a double degree; doubly.