Deceptive or false appearance; that which misleads the eye or the mind.
An argument, or apparent argument, which professes to be decisive of the matter at issue, while in reality it is not; a specious argument.
A misconstrual or misinterpretation.
A mistaken or faulty construction.
A misunderstanding or misinterpretation resulting from the use of the wrong meaning of a word that has multiple meanings.
An ungrammatical phrase.