insincerity

[ in-sin-ser-i-tee ]

/ ˌɪn sɪnˈsɛr ɪ ti /

the quality of being insincere; lack of sincerity; hypocrisy; deceitfulness.

an instance of being insincere: He recalled their many past insincerities.

Origin of insincerity

First recorded in 1540–50; in-³ + sincerity

“Kids that age are incapable of insincerity,” del Cecato said.

Dante de Blasio’s Killer Ad May Have Won NYC Primary for His Dad |David Freedlander |September 14, 2013 |DAILY BEAST
One could make equal claims to the insincerity of just about any Israeli leader based on their words and deeds.

A Second Response to Benny Morris |Daniel Levy |April 24, 2012 |DAILY BEAST
And, of course, this propensity for insincerity is uniquely attributed to the Palestinians; it is not applicable to Israelis.

A Second Response to Benny Morris |Daniel Levy |April 24, 2012 |DAILY BEAST
Even the more polished, informed, self-possessed Romney seems cursed with an Eddie Haskell air of insincerity and deceitfulness.

Obama’s Risky Belittling Tactic |Lee Siegel |July 1, 2011 |DAILY BEAST

The overwhelming majority reproached him for insincerity and hypocrisy.

Teachers Furious at Duncan |Diane Ravitch |May 10, 2011 |DAILY BEAST
It is not honest inquiry that makes anarchy; but it is error, insincerity, half-belief and untruth that make it.

Sartor Resartus, and On Heroes, Hero-Worship, and the Heroic in History |Thomas Carlyle
"Not at all," he said, with an insincerity that annoyed her.

Hilda Lessways |Arnold Bennett
The probable reason of this may be traced to the King's varying disposition—possibly to his insincerity.

Memoirs of the Court of George IV. 1820-1830 (Vol 1) |Duke of Buckingham and Chandos
What if with the son, too, they betokened only insincerity and weakness?

The Explorer |W. Somerset Maugham
Mr. Osmond very kind and sympathising; set it all down to illusion; assured papa there was neither malice nor insincerity in it.

Hard Cash |Charles Reade