falseness

Noun

• the quality of not being open or truthful; deceitful or hypocritical

• unfaithfulness by virtue of being unreliable or treacherous

• the state of being false or untrue
  • argument could not determine its truth or falsity
    

Related words

• Synonyms: 
  insincerity , hollowness , faithlessness , fickleness , inconstancy , falsity
• Antonyms: 
  sincerity , truth , the true , verity , trueness