DictionaryunctionAffected earnestness
noun

unction

UNK-shun/ˈʌŋkʃn/

Exaggerated or soothing earnestness in speech or manner.

The salesman speaks with such unction that his promises sound rehearsed.

A speaker with exaggerated earnest smile and hand over heart flatters a skeptical listener, leaning in with theatrical sincerity.
Etymology

The literal image is anointing or smearing with ointment. The figurative sense applies that oily smoothness to speech or manner, especially when earnestness feels excessive or insincere.

More examples

  • She delivers her apology with more unction than genuine regret.
  • His voice drips with unction as he asks for another favor.
  • She speaks with soothing unction to calm the anxious crowd.

Forms

unction

unctuous adjective — Excessively earnest or insincerely flattering in manner.

Similar words

smarminess
Emphasizes insincere flattery intended to win someone's approval.
earnestness
Can be entirely sincere, without exaggerated or soothing delivery.