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What is the opposite of โ€œmightโ€?

What is the antonym of โ€œmightโ€?

The antonyms of might are must and should. The antonyms must and should convey a sense of obligation or necessity, while might implies possibility or uncertainty.

Brief Definitions of the Antonym(s)

Learn when and how to use these words with these examples!


Expressing a strong obligation or necessity to do something.


You must wear a helmet while riding a bike.


Expressing a recommendation or advice on what is the right or best thing to do.


You should eat more vegetables for a healthy diet.

How are these antonyms different from each other?

  • 1Must conveys a strong obligation or necessity, while should expresses a recommendation or advice.
  • 2Might implies possibility or uncertainty, while must and should imply certainty.

Good things to know

  • 1Expressing Obligation: Use must to express a strong obligation or necessity.
  • 2Giving Advice: Use should to give recommendations or advice.
  • 3Expressing Possibility: Use might to express possibility or uncertainty.

Remember this!

The antonyms have distinct nuances: Must conveys a strong obligation or necessity, should expresses a recommendation or advice, and might implies possibility or uncertainty. Use these words to express obligation, give advice, or express possibility in conversations and writing.

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