To err, to be wrong.

A semantic or ontological error by which a property is ascribed to a thing that could not possibly have that property.

plural of category mistake

Be assured; be certain. / Used other than figuratively or idiomatically: see make, no, mistake.

simple past tense and past participle of make a mistake

present participle of make a mistake

Third-person singular simple present indicative form of make a mistake

plural of calculated mistake

Synonym of spelling error

plural of spelling mistake