Man·i·fold a.
 1. Various in kind or quality; many in number; numerous; multiplied; complicated.
    O Lord, how manifold are thy works!   --Ps. civ. 24.
    I know your manifold transgressions.   --Amos v. 12.
 2. Exhibited at divers times or in various ways; -- used to qualify nouns in the singular number. “The manifold wisdom of God.” --Eph. iii. 10. “The manifold grace of God.” --1 Pet. iv. 10.
 Manifold writing, a process or method by which several copies, as of a letter, are simultaneously made, sheets of coloring paper being infolded with thin sheets of plain paper upon which the marks made by a stylus or a type-writer are transferred; writing several copies of a document at once by use of carbon paper or the like.