mop
1 Americannoun
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a bundle of coarse yarn, a sponge, or other absorbent material, fastened at the end of a stick or handle for washing floors, dishes, etc.
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a thick mass of hair.
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a polishing wheel having several layers of cloth secured by a boss.
verb (used with object)
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to rub, wipe, clean, or remove with a mop (often followed byup ).
to mop up a spill.
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to wipe as if with a mop.
to mop the face with a handkerchief.
verb (used without object)
verb phrase
idioms
verb (used without object)
noun
noun
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an implement with a wooden handle and a head made of twists of cotton or a piece of synthetic sponge, used for polishing or washing floors, or washing dishes
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something resembling this, such as a tangle of hair
verb
verb
noun
noun
Etymology
Origin of mop1
First recorded in 1375–1425; earlier map, late Middle English mappe, shortening f mappel, from Medieval Latin mappula, mappa “handtowel, cloth,” equivalent to Latin mapp(a) “napkin” + -ula -ule
Origin of mop2
First recorded in 1450–1500 for the noun, and in 1560–70 for the verb; perhaps akin to Dutch moppen “to mutter, pout”
Explanation
A mop is a tool for cleaning a floor. Most mops have a long handle and a sponge or bundle of absorbent strings on one end. If someone says that your hair looks like a mop, that's not a compliment. When you use a mop, you mop the floor. Mops can be used dry, but more often they're dunked in a soapy bucket of water before they mop the floor. You can also "mop up" a mess or a spill, even if you're using a cloth, a sponge, or a paper towel instead of a mop. The earliest mops were used to clean ships' decks, and the word comes from the Latin mappa, "napkin."
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
By about 6 p.m., forward progress had been stopped, with crews remaining at the site to mop up, Stewart said.
From Los Angeles Times ● Sep. 3, 2026
Households in India have long relied on an informal army of domestic workers to mop floors, wash dishes and cook meals.
From Barron's ● Jul. 22, 2026
I mop their famous gravy with a hunk of sourdough and hear Sancho Panza in my head and I grin.
From Salon ● Jun. 23, 2026
He told me to stand in place and watch as he took out all of the cleaning products and, along with cleaning the toilets and sinks, he proceeded to mop the floor.
From The Wall Street Journal ● May 7, 2026
Ira had a mop of curly red hair and was like a boy version of Little Orphan Annie.
From Full of Beans by Jennifer L. Holm
At First Watch, by the end of Fermine’s shift at around 3 p.m., he will have washed hundreds of dishes, taken out the trash and mopped up the dish room.
From The Wall Street Journal ● Apr. 12, 2026
Large investment firms mopped up foreclosed homes after the 2008 housing crash, placing a floor on prices.
From The Wall Street Journal ● Mar. 10, 2026
Kuzin mopped his brow, and Hulthage, Bendix, Hanna and rest of the orchestra stood and bowed.
From Los Angeles Times ● Feb. 22, 2025
Portugal had risked a ropey offload in the tackle and the Glasgow centre mopped up.
From BBC ● Nov. 16, 2024
Old Timothy was still breathless himself, and mopped his brow with a handkerchief.
From "The Long-Lost Home" by Maryrose Wood
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Routine tasks such as mopping floors, spraying countertops, and wiping surfaces with scented products generate billions or trillions of particles, with the total depending on the product.
From Science Daily ● Sep. 26, 2026
Voting trends show the BJP mopping up more than 44% of the vote this time.
From BBC ● May 4, 2026
Chinese brands began to offer more advanced navigational capabilities and extra functions such as mopping, while Roombas were slow to evolve.
From The Wall Street Journal ● Jan. 12, 2026
Southern Californians mopping up from record-breaking rains over the Christmas holiday may be in for more wet weather to usher in the new year — including a high likelihood of rain on the Rose Parade.
From Los Angeles Times ● Dec. 27, 2025
A shadow fell across them and they looked up to see a very bleary-eyed Hagrid, mopping his sweaty face with one of his tablecloth-sized handkerchiefs and beaming down at them.
From "Harry Potter And The Prisoner Of Azkaban" by J.K. Rowling
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.