a. and adv. north. dial. [UN-1 7, 11: see MACK a. and MACKLY adv.] Unshapely; ill-favored(ly).

1

a. 1600[?].  Sir Cawline, xxx. (Percy Folio MS.). Vpon his squier [= neck] fiue heads he bare, Vnmackley made was hee.

2

1811–76.  in northern glossaries.

3