falseness Meaning, Definition & Usage

  1. noun the state of being false or untrue
    falsity.
    • argument could not determine its truth or falsity
  2. noun unfaithfulness by virtue of being unreliable or treacherous
    inconstancy; faithlessness; fickleness.
  3. noun the quality of not being open or truthful; deceitful or hypocritical
    insincerity; hollowness.

WordNet

False"ness noun
Definitions
  1. The state of being false; contrariety to the fact; inaccuracy; want of integrity or uprightness; double dealing; unfaithfulness; treachery; perfidy; as, the falseness of a report, a drawing, or a singer's notes; the falseness of a man, or of his word.

Webster 1913