(a) a mistake, an error; (b) misappropriation.

Something incorrectly done through ignorance or inadvertence; a mistake, e.g. in calculation, judgement, speech, writing, action, etc. Phrase, to comm…

As a count noun. An instance of inadvertently doing something incorrectly or badly; an error, a mistake; = fault, n. 5b. Obsolete.

figurative. A slip, mistake, a blunder. to make a balk: to blunder, go wrong. Obsolete.

Something wrongly done. Phrase, to commit (rarely do, make) a fault. A failure in what is attempted; a slip, error, mistake. Now somewhat rare…

transferred and figurative. A mistake or error generally. (In first quot. Failure, discomfiture.) ? Obsolete.

= erratum, n.

A mistake, blunder; a fault; a slip, lapse; a false step; a slip of the tongue. †to takeor have in a trip (also †to take trip), to catch tripping…

Something wrong or faulty in method. Obsolete.

An error, a mistake. Obsolete.

A fault, an error. Obsolete.

figurative in various applications.

A stumble or trip. Frequently figurative, a slip in conduct; a fault or error; a scrape or difficulty.

A failure to do what is expected or required; a misdeed, an error, a fault; (occasionally) an evil deed. Obsolete.

The action of mistake, v.; misunderstanding, misconception; †wrongdoing (obsolete); an instance of this.

Mistake, error. Cf. misprision, n.1 2b.

A misconception about the meaning of something; a thing incorrectly done or thought; an error of judgement.

? A beating of the block, a missing of the thing intended.

An error, incongruity, inconsistency, or impropriety of any kind.

The state or fact of being fallible; liability to error; (occasionally) an instance of this.

An act of stumbling. A blunder, slip.

figurative. An exposed or weak point in one's procedure; a fault or failing; also, a mark, butt.

A fault, mistake, blunder. Obsolete.

An instance of this; a mistake, error, fault.

Originally English regional (northern) and Scottish. A mistake, a blunder; a bungled task.

transferred. A slip, an error.

(to make) a false step (= French faux pas): a misplaced step, a stumble; hence figurative an unwise or improper action; formerly spec. a woman's…

the act of slipping up (see slip, v.1 8d), a failure, mistake, blunder.

A blunder, mistake.

colloquial (originally and chiefly U.S.). With possessive: a person's fault; responsibility for a mistake, blunder, etc. Originally and chiefly in m…