adj. Very (?) skilled or powerful :-- Hwanon cómen gé ceólum líðan mácræftige menn, Andr. Kmbl. 513; An. 257. Nǽfre ic sǽlidan sélran métte, mácræftigran, 943; An. 472. [Grimm in a note on the former passage suggests that má in this compound may be a substantive from the same root and with the same meaning as mere.] ma-cræftig