Meaning of middling

(adj) lacking exceptional quality or ability; "a novel of average merit"; "only a fair performance of the sonata"; "in fair health"; "the caliber of the students has gone from mediocre to above average"; "the performance was middling at best"

(adv) to certain extent or degree; "pretty big"; "pretty bad"; "jolly decent of him"; "the shoes are priced reasonably"; "he is fairly clever with computers"

(noun) any commodity of intermediate quality or size (especially when coarse particles of ground wheat are mixed with bran)