damp

American  

[damp] / dæmp /

adjective

damper, dampest

1. slightly wet; moist.

   damp weather;

   a damp towel.

   Synonyms:

   steamy, dank

   Antonyms:

   dry

2. unenthusiastic; halfhearted; tepid.

   The welcoming committee gave them a rather damp reception.

3. dejected; depressed.

   I went shopping to lift my damp spirits.

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noun

1. moisture; humidity; moist air.

   damp that goes through your warmest clothes.

   Synonyms:

   vapor, fog

2. a noxious or stifling vapor or gas, especially in a mine.

3. depression of spirits; dejection.

4. a restraining or discouraging force or factor.

verb (used with object)

1. to make damp; moisten.

   Synonyms:

   humidify

2. to check or retard the energy, action, etc., of; deaden; dampen.

   A series of failures damped her enthusiasm.

   Synonyms:

   moderate, restrain, inhibit, slow, abate

3. to stifle or suffocate; extinguish.

   to damp a furnace.

4. Acoustics, Music. to check or retard the action of (a vibrating string); dull; deaden.

5. Physics. to cause a decrease in amplitude of (successive oscillations or waves).

verb phrase

1. damp off to undergo damping-off.

damp British  

/ dæmp /

adjective

1. slightly wet, as from dew, steam, etc

2. archaic dejected

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noun

1. slight wetness; moisture; humidity

2. rank air or poisonous gas, esp in a mine See also firedamp

3. a discouragement; damper

4. archaic dejection

verb

1. to make slightly wet

2. (often foll by down) to stifle or deaden

   to damp one's ardour

3. (often foll by down) to reduce the flow of air to (a fire) to make it burn more slowly or to extinguish it

4. physics to reduce the amplitude of (an oscillation or wave)

5. music to muffle (the sound of an instrument)

Related Words

Damp, humid, moist mean slightly wet. Damp usually implies slight and extraneous wetness, generally undesirable or unpleasant unless the result of intention: a damp cellar; to put a damp cloth on a patient's forehead. Humid is applied to unpleasant dampness in the air: The air is oppressively humid today. Moist denotes something that is slightly wet, naturally or properly: moist ground; moist leather.

Other Word Forms

• dampish adjective
• dampishly adverb
• dampishness noun
• damply adverb
• dampness noun

Etymology

Origin of damp

First recorded in 1300–50; Middle English (in sense of damp def. 5 ); compare Middle Dutch damp, Middle High German dampf “vapor, smoke”

Explanation

Something that's damp is slightly wet or soggy. If your shoes are damp when you enter your friend's white-carpeted house, you should probably take them off. Damp things are moist. Your lawn might be damp with dew in the morning, and if it's supposed to rain lightly, the weather report might include the word damp. Sometimes damp is a noun, as when your grandmother warns, "Don't go out in the damp without your umbrella!" To damp is to hold back, make soft, or restrain: "Use your hand to damp the sound of the cymbal after you hit it with the drumstick."

Example Sentences

Lee Wright, who manages Essential Needs, said: "We regularly come across people who don't have carpets on the floor. We have got children that are sleeping on mattresses on cold, damp floors."

From BBC • Apr. 10, 2026

It was gray and damp as London sometimes is.

From Los Angeles Times • Apr. 9, 2026

It also “vibe scented” a horror movie, creating a fragrance, distributed at screenings, that “captures the chilling, damp, metallic stillness of a nightmare that won’t let you escape,” according to the film’s press materials.

From The Wall Street Journal • Mar. 17, 2026

Four modest interventions that transform the thing from damp obligation into something architectural and alive.

From Salon • Mar. 17, 2026

Then I caught a whiff of one of my undershirts, damp and stained yellow from sweat, and I began to cough.

From "The Detective's Assistant" by Kate Hannigan

Related Words

• cloudy
• dank
• drizzly
• misty
• moist
• muggy
• saturated
• soaked
• sodden
• soggy
• steamy
• sticky
• waterlogged