Contrariety to fact; want of reality or truth; falsehood, unreality. †Also quasi-concrete anything false.

Falsehood.

Falsehood; = untruth, n. 3.

Want of conformity to fact or truth; falsity. Now almost always implying intentional falsity.

Falsehood, falsity.

Falsehood. (In quot. 1450 personified.) Obsolete.

= fallacy, n. (in various senses).

The quality or condition of being false. Contrariety or want of conformity to truth or fact. Also an instance of this.

A mistaken or delusory belief or idea, an error, esp. one founded on unsound reasoning.

The quality of being improper. Want of accordance with the nature of the thing, or with reason or rule; incorrectness, erroneousness, inaccuracy.

The quality of being improper; impropriety.

Deviation from fact, accuracy, or correct standard; incorrectness, error.

The quality or fact of being fallacious.

Fallaciousness.

Absence or lack of trueness or truth; falsity, incorrectness.

The quality of being unsubstantial; insubstantiality.

The state of being in the wrong in one's conduct or opinions; incorrectness.