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:
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
The home page features a model who bears a resemblance to Kelly—but with a curly mop of hair.
From The Wall Street Journal ● Apr. 7, 2026
As the show began, the singer noticed a puddle at the edge of the stage that could have caused a slip hazard, so he grabbed a towel to mop it up.
From BBC ● Mar. 13, 2026
Without a janitor swishing a mop and swabbing the decks, the floor felt extremely gummy.
From "The Smartest Kid in the Universe" by Chris Grabenstein
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Perhaps England could have pushed towards 290, but Axar induced Dawson into a pull to deep square, then the left-arm spinner mopped up the tail.
From BBC ● Jul. 14, 2026
With the pitch turning, India had fielders crowded around the bat as their spinners then mopped up the tail with England skittled for 186.
From BBC ● Jul. 13, 2026
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
Pietro Crespi mopped his brow with the handkerchief that was soaked in lavender.
From "One Hundred Years of Solitude" by Gabriel Garcia Marquez
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"By the time I reach the houses and start sweeping and mopping, my clothes are already soaked. Some days I also have to clean rooftops where the marble floors feel like they are on fire."
From BBC ● May 28, 2026
For Katya, a professional events organiser, the parties have stopped - and her world and life have been disrupted following the raid, trial and community service spent mopping hospital floors.
From BBC ● May 15, 2026
Willy might as well be delivering newspapers or mopping the kitchen floor, so disconnected are his gestures.
From Los Angeles Times ● Apr. 1, 2026
Owens and her family saved the house, wedging plywood underneath the doorways during the storm and mopping up water faster than it seeped inside.
From The Wall Street Journal ● Dec. 17, 2025
I'm dusting shelves and mopping the tiled floor.
From "We Are Okay" by Nina LaCour
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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.