Etymology
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misinform (v.)

"inform erroneously, make a false statement to; give misleading instruction to," late 14c., misinfourmen, from mis- (1) "badly, wrongly" + inform (v.). Related: Misinformed; misinforming.

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misinformed (adj.)

"having incorrect or imperfect acquaintance with the facts," mid-15c., past-participle adjective from misinform.

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misinformation (n.)

1580s, "action of misinforming;" 1660s, "wrong or false information," from mis- (1) "bad, wrong" + information.

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