a. 1. Not noble; unbecoming true honor or dignity; mean; unworthy; as, disingenuous conduct or schemes. [ 1913 Webster ]
2. Not ingenuous; wanting in noble candor or frankness; not frank or open; uncandid; unworthily or meanly artful. [ 1913 Webster ]
So disingenuous as not to confess them [ faults ]. Pope.
-- Dis`in*gen"u*ous*ly, adv. T. Warton. -- Dis`in*gen"u*ous*ness, n. Macaulay. [ 1913 Webster ]