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Synonyms

congestion

American  
[kuhn-jes-chuhn] / kənˈdʒɛs tʃən /

noun

congestions plural
  1. overcrowding; clogging.

    severe traffic congestion.

  2. an excessive or abnormal accumulation of blood or other fluid in a body part or blood vessel.

    pulmonary congestion.


congestion British  
/ kənˈdʒɛstʃən /

noun

  1. the state of being overcrowded, esp with with traffic or people

  2. the state of being overloaded or clogged with blood

  3. the state of being blocked with mucus

"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

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of congestion

From the Latin word congestiō, dating back to 1585–95. See congest, -ion

Explanation

When a driver complains about congestion, she's talking about the cars that are backed up on the highway. When your sneezing friend complains about congestion, he's talking about his stuffed-up nose. Use the noun congestion to talk about over-crowding; this comes up most often when people talk about traffic. If there's unexpected congestion on your route to work, you'll be late. You might also use the word to describe a crush of people: "The congestion in the subway was terrible — we were packed like sardines in there." The medical kind of congestion describes a build up of fluid, especially the kind you feel in your sinuses when you have a bad cold.

Keep Reading on Vocabulary.com

Vocabulary lists containing congestion

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:

But congestion at the privately owned bridge has long worried politicians as well as automakers that depend on a just-in-time delivery model.

From The Wall Street Journal Jul. 26, 2026

This has included sending congestion alerts to visitors’ mobile phones and encouraging visitors to venture outside the valley, as it represents only a fraction of its almost 1,200 square miles of parkland.

From Los Angeles Times Jul. 21, 2026

More congestion means that cars travel less quickly through cities than they have in recent decades.

From The Wall Street Journal Jul. 13, 2026

That allowed the heat carrying vibrations to travel farther through the material, much like easing congestion on a busy highway, leading to much more efficient heat conduction in the direction of the electric field.

From Science Daily Jul. 11, 2026

During that first summer and fall of sandy congestion and wind-blown boredom, the bitterness accumulated, the rage festered in hundreds of tarpapered cubicles like ours.

From "Farewell to Manzanar" by Jeanne Houston

The Washington Department of Transportation advised drivers to expect intermittent heavy congestions in the Seattle area Thursday evening and Friday due to temporary closures of the freeway system due to his visit.

From Seattle Times Apr. 21, 2022

Retailers have been battling port congestions and escalating transportation costs due to global supply chain disruptions in recent months as rising coronavirus cases dampened hopes of a swift economic recovery and a strong holiday season.

From Reuters Sep. 30, 2021

U.S. retailers have spent more on shipping and labor this year, as pandemic-driven port congestions and a shortage of drivers increase costs.

From Washington Post Sep. 10, 2021

China's export and import both rose last month despite delta demand concerns and severe port congestions.

From The Guardian Sep. 7, 2021

Many people produce a species of irritable indigestion, by the use of stimulants, for this the Anglo-Turkish bath is an almost certain cure, as it relieves internal congestions, steadies the nerves and produces refreshing sleep.

From Turkish and Other Baths A Guide to Good Health and Longevity by Stables, Gordon

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