falsehood

1. (uncountable) The property of being false.Examples: "Every such idiom is what is known as a truth function, and is characterized by the fact that the truth or falsehood of the complex statement which it generates is uniquely determined by the truth or falsehood of the several statements which it combines."Synonyms: falsityuncountable

2. (countable) A false statement, especially an intentional one; a lie.Examples: "Don't tell falsehoods."; "The fact checking, which started Sunday, stands in stark contrast to the he-said, she-said nature of most television chatfests, even though PolitiFact’s work takes place well after the facts and possible falsehoods are first uttered on TV."; "Oreskes allowed as much Wednesday, saying the word had not been banned, and adding, "I think one of the big challenges for us will be in situations where the falsehood is repeated so often that it becomes clear, the intent. And then I think it'll be fair to challenge us on the question of — the intent is so obvious that you could add it up and come to the word lie. We'll see.""Synonyms: liecountable

3. (archaic, rare) Mendacity, deceitfulness; the trait of lying.Examples: "THE LEPROSY OF NAAMAN INFLICTED ON GEHAZI, FOR HIS FALSEHOOD AND COVETOUSNESS."; "O mortal, eschew falsehood and flattery. Death flayeth and killeth the false one: The apostate suffereth for his falsehood and pride; he is tormented in both worlds. Renounce slander and envy of others."; "The false prophet looks like a lamb, but speaks like a dragon. This indicates his falsehood. […] He will pretend to be the same as Christ."Synonyms: falseness, mendacityarchaiccountablerareuncountable