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Past tense of mistake.
n., v. -took, -tak•en, -tak•ing. n.
1. an error in action, opinion, or judgment caused by poor reasoning, carelessness, insufficient knowledge, etc.
2. a misunderstanding or misconception.v.t.
3. to regard or identify wrongly as something or someone else: I mistook her for the mayor.
4. to understand, interpret, or evaluate wrongly.v.i.
5. to be in error.
syn: mistake, error, blunder, slip refer to an inadvertent deviation from accuracy, correctness, truth, or right conduct. mistake refers to a wrong action, belief, or judgment; it may also suggest an incorrect understanding, perception, or interpretation: a mistake in arithmetic; It was a mistake to trust them. error is similar in sense, but may mean a deviation from a moral standard: I finally saw the error of my ways. blunder suggests a careless, clumsy, or stupid mistake, often serious: a tactical blunder. slip refers to a small mistake in speech or writing, or to a minor indiscretion: I misspelled his name by a slip of the pen.