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• MIS
  MIS

  abbreviation

  management information system.
• mis-
  mis-

  a prefix applied to various parts of speech, meaning “ill,” “mistaken,” “wrong,” “wrongly,” “incorrectly,” or simply negating.

MIS

¹ American  

abbreviation

1. management information system.

2. multisystem inflammatory syndrome.

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mis- ² American  

1. a prefix applied to various parts of speech, meaning “ill,” “mistaken,” “wrong,” “wrongly,” “incorrectly,” or simply negating.

   mistrial; misprint; mistrust.

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mis- ³ American  

1. variant of miso- before some vowels.

   misanthrope.

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mis- ¹ British  

prefix

1. wrong, bad, or erroneous; wrongly, badly, or erroneously

   misunderstanding

   misfortune

   misspelling

   mistreat

   mislead

2. lack of; not

   mistrust

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mis- ² British  

prefix

1. a variant of miso-

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Etymology

Origin of mis-

Middle English; Old English mis ( se )-; cognate with German miss-, Gothic missa- ( see miss ¹; ); often replacing Middle English mes- < Old French < West Germanic *mis ( s )-

Example Sentences

"We must fight mis- and disinformation, online harassment, and greenwashing," Guterres said at the World Meteorological Organization in Geneva, insisting: "Scientists and researchers should never fear telling the truth."

From Barron's • Oct. 22, 2025

They also will share ideas on how to protect society from potentially negative impacts of AI on areas such as energy use, workers and the proliferation of mis- and disinformation, according to the organizers.

From Seattle Times • May 19, 2024

My concern grows as we know that social media are “used extensively by youth around the world,” exposing them to mis- and disinformation on a daily basis.

From Scientific American • Aug. 16, 2023

These same audiences are constantly bombarded with mis- and disinformation, and with fake images, including those generated by AI.

From BBC • May 21, 2023

"I would not linger here long, my queen. I mis- like the very smell of this place."

From "A Clash of Kings" by George R.R. Martin