fallaciousness

Definitions

The quality or state of being based on a mistaken belief or unsound reasoning.

The tendency to be deceptive, misleading, or logically invalid.

Examples

The professor spent the entire lecture exposing the fallaciousness of the student's primary argument.

Despite the speaker's charisma, the fallaciousness of his logic became apparent as soon as he presented his data.

Synonyms

falsity untruthfulness erroneousness inaccuracy spuriousness deceptiveness invalidity

Antonyms

truthfulness accuracy correctness validity veracity soundness factuality