disingenuity in a sentence

Definition

Disingenuity refers to the quality of being insincere or deceptive, often by pretending to be less knowledgeable or honest than one actually is.

Her disingenuity became apparent during the meeting when she contradicted her earlier statements.
The politician's disingenuity shocked many, as he promised transparency while hiding crucial information.
Despite his charming demeanor, there was an unmistakable disingenuity in his compliments.
The disingenuity of the advertisement led consumers to feel misled and frustrated.
In her quest for popularity, she resorted to disingenuity, sacrificing her authenticity for likes and approval.