Dis-in-gên'ū-ous, a.

a. [Prefix dis and ingenuous.]

1. Not noble or high toned; 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.