1
: slightly or moderately wet : damp
I love cookies when they are moist and chewy.
2
: tearful
the eyes of both of us … were moist with the joy of successJack London
3
: characterized by high humidity
Fog is formed when warm moist air moves over a cold surface.
moistly adverb
moistness noun
Choose the Right Synonym for moist

wet, damp, dank, moist, humid mean covered or more or less soaked with liquid.

wet usually implies saturation but may suggest a covering of a surface with water or something (such as paint) not yet dry.

slipped on the wet pavement

damp implies a slight or moderate absorption and often connotes an unpleasant degree of moisture.

clothes will mildew if stored in a damp place

dank implies a more distinctly disagreeable or unwholesome dampness.

a prisoner in a cold, dank cell

moist applies to what is slightly damp or not felt as dry.

treat the injury with moist heat

humid applies to the presence of much water vapor in the air.

a hot, humid climate

Examples of moist in a Sentence

I love cookies when they are moist and chewy. The pork chops were tender and moist. a moist and spongy chocolate cake The plant grows best in direct sunlight and with rich, moist soil. She dabbed her moist eyes with a handkerchief. Fog is formed when warm moist air moves over a cold surface. The eggs will hatch sooner in warm, moist conditions.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These bands, aligned with wind direction, can stretch over 100 miles and trigger intense snowfall when the moist air reaches the opposite shore. Benedict Cosgrove, Newsweek, 18 Dec. 2024 Simply plant cloves in a well-draining pot with enough space to ensure the cloves aren’t touching, keep the soil evenly moist, and position your growing containers in a sunny window. Lauren Landers, Better Homes & Gardens, 17 Dec. 2024 Frozen cauliflower is too moist and doesn’t brown as well. Robin Miller, The Arizona Republic, 12 Dec. 2024 Buckwheat is grown from the dirt in moist climates that have short growing seasons, where temperatures stay around 70 degrees. Daryl Austin, USA TODAY, 9 Dec. 2024 See all Example Sentences for moist 

Word History

Etymology

Middle English moiste, from Anglo-French, perhaps from Vulgar Latin *muscidus, alteration of Latin mucidus slimy, from mucus nasal mucus

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of moist was in the 14th century

Dictionary Entries Near moist

Cite this Entry

“Moist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moist. Accessed 30 Dec. 2024.

Kids Definition

moist

adjective
1
: slightly or moderately wet
moist earth
2
: characterized by high humidity
moistly adverb
moistness noun

Medical Definition

moist

adjective
1
: slightly or moderately wet
2
a
: marked by a discharge or exudation of liquid
moist eczema
b
: suggestive of the presence of liquid
used of sounds heard in auscultation
moist rales

More from Merriam-Webster on moist

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