noun
1.
Synonyms: fallacy 1, erroneousness, error, fallaciousness, falseness, falsity, untruth
2.
Synonyms: lie , canard, falsity, fib, misrepresentation, prevarication, story, tale, untruism, untruth
Related Word: fakery, feigning, pretense, sham; deceit, dissimulation, fraud
Antonyms: truth
3.
Synonyms: mendacity , fibbery, mendaciousness, truthlessness, untruthfulness, unveracity