Dis·in·gen·u·ous 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].   --Pope.
  -- Dis*in*gen*u*ous*ly, adv. --T. Warton. -- Dis*in*gen*u*ous*ness, n.
  ◄ ►
  disingenuousness
       n : the quality of being disingenuous and lacking candor [ant: ingenuousness]