Disingenuous /(?)/

Dis·in·gen·u·ous

Disingenuous

a.
  1. Not noble; unbecoming true honor or dignity; mean; unworthy; as, disingenuous conduct or schemes.
  2. Not ingenuous; wanting in noble candor or frankness; not frank or open; uncandid; unworthily or meanly artful.
    So disingenuous as not to confess them [faults].