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wet blanket

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noun
a blanket dampened with water so as to extinguish a fire.
a person or thing that dampens enthusiasm or enjoyment: Nobody asked him to join the group because he's such a wet blanket.
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Origin of wet blanket

First recorded in 1655–65

Other definitions for wet blanket (2 of 2)

wet-blanket
[ wet-blang-kit ]
/ ˈwɛtˈblæŋ kɪt /

verb (used with object)
to extinguish (a fire) with a wet blanket.
to dampen the enthusiasm or enjoyment of (a person, group, etc.).

Origin of wet-blanket

First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use wet blanket in a sentence

British Dictionary definitions for wet blanket

wet blanket

noun
informal a person whose low spirits or lack of enthusiasm have a depressing effect on others
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for wet blanket

wet blanket

Someone who dampens enthusiasm: “We were all having a good time until Harold walked in and started acting like a wet blanket.”

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Other Idioms and Phrases with wet blanket

wet blanket

A person who discourages enjoyment or enthusiasm, as in Don't be such a wet blanket—the carnival will be fun! This expression alludes to smothering a fire with a wet blanket. [Early 1800s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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