dis`in*gen"u*ous*ness
Webster's Dictionary (GCIDE)
Disingenuous \Dis`in*gen"u*ous\, 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]