Muggy definition

mŭgē
Warm and extremely humid.
adjective
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Hot and damp, with little or no stirring of the air.

Muggy weather.

adjective
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The definition of muggy is hot, humid, sticky weather.

A 90 degree day with 90 percent humidity is an example of a muggy day.

adjective
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(Of the weather, air, etc) Humid, or hot and humid.
adjective
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Other Word Forms

Adjective

Base Form:
muggy
Comparative:
muggier
Superlative:
muggiest

Origin of muggy

  • Probably from Middle English mugen to drizzle Old Norse mugga a drizzle

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Old Norse mugga (“drizzle, mist").

    From Wiktionary