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Synonyms

clog

American  
[klog, klawg] / klɒg, klɔg /

verb (used with object)

  • clogs,
    present (3rd person singular)
  • clogged,
    past participle,  past
  • clogging
    present participle
  1. to hinder or obstruct with thick or sticky matter; choke up.

    to clog a drain.

  2. to crowd excessively, especially so that movement is impeded; overfill.

    Cars clogged the highway.

  3. to encumber; hamper; hinder.

    Synonyms:
    fetter, trammel, impede

verb (used without object)

  • clogs,
    present (3rd person singular)
  • clogged,
    past participle,  past
  • clogging
    present participle
  1. to become clogged, encumbered, or choked up.

  2. to stick; stick together.

  3. to do a clog dance.

noun

  • clogs
    plural
  1. anything that impedes motion or action; an encumbrance; a hindrance.

  2. a shoe or sandal with a thick sole of wood, cork, rubber, or the like.

  3. a similar but lighter shoe worn in the clog dance.

  4. a heavy block, as of wood, fastened to a person or beast to impede movement.

  5. clog dance.

  6. British Dialect. a thick piece of wood.

clog 1 British  
/ klɒɡ /

verb

  1. to obstruct or become obstructed with thick or sticky matter

  2. (tr) to encumber; hinder; impede

  3. (tr) to fasten a clog or impediment to (an animal, such as a horse)

  4. (intr) to adhere or stick in a mass

  5. slang (in soccer) to foul (an opponent)

"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

noun

    1. any of various wooden or wooden-soled shoes

    2. ( as modifier )

      clog dance

  1. a heavy block, esp of wood, fastened to the leg of a person or animal to impede motion

  2. something that impedes motion or action; hindrance

  3. slang to die

"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
clog 2 British  
/ klɒɡ /

verb

  1. to use a photo-enabled mobile phone to take a photograph of (someone) and send it to a website without his or her knowledge or consent

"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

Other Word Forms

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Inflected Forms

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Participles

Conjugated Forms

Present

Past

Future


Etymology

Origin of clog

1350–1400; Middle English, of uncertain origin


Explanation

A clog is a blockage, or something that gets in the way. A clog in your kitchen sink might mean you have to call a plumber before you can wash your dishes. A clog obstructs water from flowing through pipes, and it can also be figurative, like a clog in your city's restaurant inspection system that makes it impossible for people to open new cafes. When clog is a verb, it means to cause such a hindrance. A completely different kind of clog is a heavy, wooden-soled shoe. In the 14th century, a clogge was a "lump of wood," and the verb first meant, "hinder with a block of wood."

Keep Reading on Vocabulary.com

Vocabulary lists containing clog

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:

"These species also clog up aquaculture pens, marine infrastructure, and machinery such as boat propellors," he explained.

From BBC ● Oct. 14, 2026

In the meantime, there’s a lot of unwieldy comic commotion involving a missing corpse, a tweaking, naked Dwight and enough insipid TV sibling bickering to clog the airwaves for a decade.

From Los Angeles Times ● Sep. 23, 2026

The natural option, a blue-green microalgae called spirulina, proved to be too costly and thick in consistency, causing factory equipment to clog during candy production.

From Salon ● Jun. 29, 2026

The more viscous material can clog up factories’ spray nozzles, resulting in spotty, unevenly colored candy.

From The Wall Street Journal ● Jun. 18, 2026

Every touchable surface was a disease waiting to happen, every speck of dust an allergen poised to swell your nose and clog your ducts, every toothbrush bristle a bacterial playground.

From "The Mysterious Benedict Society" by Trenton Lee Stewart

It’s somewhat of an idyllic place where the seashore is lined with wooden houses; sheep graze along the grassy cliffsides and residents wander around the shops in bathrobes and clogs, right after their morning swims.

From Los Angeles Times ● Sep. 21, 2026

Cleaning up inventory made room for fresher designs, such as nonperforated clogs and an expanding sandal lineup that is expected to reach $500 million annually by the end of the year, Reagan said.

From The Wall Street Journal ● Aug. 24, 2026

Struggling with bloated inventory and slowing sales a year ago, Crocs could have been tempted to slash prices to start moving as many of its foam clogs out the door as possible.

From The Wall Street Journal ● Aug. 24, 2026

Crocs, the maker of its iconic foam clogs, is up 39% year to date, and trades just 2% below its 52 week high.

From Barron's ● Jun. 2, 2026

They were crisscrossed by canvas straps, were shod with hinged wooden clogs.

From "Slaughterhouse-Five" by Kurt Vonnegut

Pimples happen when tiny pores in the skin get clogged by oil, bacteria and dead skin cells.

From Los Angeles Times ● Oct. 13, 2026

During the previous mission, SpaceX said the booster’s three center engines showed signs of being clogged by ice, which prevented a successful boostback burn.

From MarketWatch ● Sep. 15, 2026

Reports of food rationing, clogged toilets and mental-health challenges sparked intense criticism from Democratic lawmakers.

From The Wall Street Journal ● Sep. 5, 2026

Sign up to mailing lists using a second email account so your main inbox won't get clogged up with offers.

From BBC ● Sep. 3, 2026

Plus the water flowed with enough force to hose streets and docks clean and to flush open clogged sewers.

From "An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793" by Jim Murphy

This week, Randy’s identity is “real cyclist,” which puts him at war with the packs of e-bike-riding kids now clogging South Park’s bike lanes.

From Salon ● Sep. 18, 2026

French motorists are clogging TotalEnergies service stations to fill up with discount gasoline but its rivals are crying foul, accusing the energy giant of distorting competition with the encouragement of the government.

From Barron's ● Sep. 16, 2026

The problem is similar to mineral scale building up inside a tea kettle or clogging a shower head over time, except seawater contains far higher concentrations of dissolved salts.

From Science Daily ● May 31, 2026

The issue, he said, was with the vent line clogging.

From The Wall Street Journal ● Apr. 16, 2026

“Goodbye, Gran,” I whispered, sobs clogging my throat.

From "Root Magic" by Eden Royce

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