Meaning & use

muggy

adjective·Everyday

Last updated

UK/ˈmʌɡ.i/
US/ˈmʌɡ.i/

Meaning

  1. adjectivecomparable

    Unpleasantly warm and humid, with air that feels heavy, damp, and hard to breathe.

    Grammar: Use very or absolutely before it; compare with muggier and muggiest when needed.

    Patterns

    • muggy weather
    • muggy air
    • a muggy day
    • feel muggy

    The evening was so muggy that the windows fogged from the inside.

    I slept badly because the room felt hot and muggy.

Word forms

comparativemuggier
superlativemuggiest

Common combinations

muggy weather
Muggy weather often arrives before a thunderstorm.
hot and muggy
The tent became hot and muggy after noon.
a muggy night
Nobody slept well during that muggy night.
feel muggy
The hallway felt muggy even with the fan on.

Synonyms and how they differ

humid
Humid only says there is moisture in the air; muggy adds that the heat and damp feel uncomfortable.
sultry
Sultry is more literary and can suggest heavy heat, while muggy is the everyday word for sticky discomfort.
sticky
Sticky is informal and describes the clammy feeling on skin; muggy describes the air itself.

Opposites

Word family

mugginess noun
The uncomfortable quality of muggy air.

Commonly confused: muggy or humid?

muggy vs humid

Humid air contains moisture but may still feel pleasant; muggy weather feels oppressive.

Practice

After the rain, the evening felt heavy and ___, so we stayed indoors.

Make it your own

Write a sentence using “muggy”, then check it and compare it with the examples above.

Your sentence stays on this page and is not sent anywhere.

Explore more words