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3. by mistake

by mistake

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by mistake

in error; accidentally. I'm sorry. I came into the wrong room by mistake. I chose the wrong road by mistake. Now we are lost.

See also: mistake

by mistake

without intending to I'm sorry – I dialed your number by mistake.

See also: mistake

by mistake

Erroneously, as in He took my coat by mistake. [c. 1700]

See also: mistake