† ˈmurkful,a.rare. Obs. In 4 markefull, merkeful, merkful, 6 mirkful. [f. murk n. + -ful1.] Full of darkness. 13..Cursor M. 17863 (Arundel MS.) As we were stad in merkful [v.r. markefull, merkeful] stalle.1520Nisbet N.T. in Scots Luke xi. 34 Al the body salbe mirkful.