Congestion

/kənˈd͡ʒɛs.t͡ʃən/ noun

noun ·Moderate ·High school level

Meaning at a glance

  • Primary sense: The hindrance or blockage of the passage of something, for example a fluid, mixture, traffic, people, etc. (due to an excess of this or due to a partial or complete obstruction), resulting in overfilling or overcrowding.; An accumulation or buildup, the act of gathering into a heap or mass.
  • Grammar: congestion is listed as noun.
  • Nearest alternatives: overcrowding, amplitude, backups, bar.
  • Useful contrasts: the room, catharsis, clearances.
  • Usage evidence: We were delayed by traffic congestion, so we had to hurry.

How to use "congestion"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "congestion" carries the exact meaning, tone, and strength you need.
  3. Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.

Meaning check

  • Does the word fit the sentence's grammar?
  • Does it match the intended tone rather than only the dictionary definition?
  • Would a simpler synonym be clearer for the reader?
  • Is there enough surrounding context to prevent ambiguity?

Source and review context

This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "congestion" in a final draft.

If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.

Before you rely on this definition

Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "congestion" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "congestion" with a nearby alternative so the final choice matches both meaning and reader expectation.

Compare nearby meanings

  • Use synonyms when you need a softer, stronger, simpler, or more specific word.
  • Use antonyms to check the boundary of the meaning and avoid accidental contrast.
  • Use the example sentence to confirm the word behaves naturally in context.
  • Keep the original wording when a replacement adds complexity without improving precision.

Definition decision workflow

1. Identify the role

Check whether "congestion" is acting as noun in your sentence. A definition is only useful when the grammar matches the way the word is being used.

2. Test the nearest option

Compare it with "overcrowding" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.

3. Confirm with context

Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.

Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.

Final meaning check

Before publishing a sentence with "congestion", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.

When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.

Definitions

Noun
  1. 1
    The hindrance or blockage of the passage of something, for example a fluid, mixture, traffic, people, etc. (due to an excess of this or due to a partial or complete obstruction), resulting in overfilling or overcrowding.; An accumulation or buildup, the act of gathering into a heap or mass. countable, uncountable

    "network congestion"

  2. 2
    excessive crowding wordnet
  3. 3
    The hindrance or blockage of the passage of something, for example a fluid, mixture, traffic, people, etc. (due to an excess of this or due to a partial or complete obstruction), resulting in overfilling or overcrowding.; Blocking up of the capillary and other blood vessels, etc., in any locality or organ (often producing other morbid symptoms); local hypermic, active or passive. countable, uncountable

    "arterial congestion"

  4. 4
    excessive accumulation of blood or other fluid in a body part wordnet
  5. 5
    An excess or accumulation of something.; An excess of traffic; usually not a complete standstill of traffic, so usually not synonymous with traffic jam. countable, uncountable

    "traffic congestion"

Show 2 more definitions
  1. 6
    An excess or accumulation of something.; An excess of mucus or fluid in the respiratory system; congestion of the lungs, or nasal congestion. countable, uncountable
  2. 7
    An excess or accumulation of something.; Edema, water retention, swelling, enlargement of a body part because of fluid retention in tissues and vessels. countable, uncountable

Example

"We were delayed by traffic congestion, so we had to hurry."

Common questions

What does "congestion" mean?

The hindrance or blockage of the passage of something, for example a fluid, mixture, traffic, people, etc. (due to an excess of this or due to a partial or complete obstruction), resulting in overfilling or overcrowding.; An accumulation or buildup, the act of gathering into a heap or mass.

What is a synonym for "congestion"?

Common synonyms include: overcrowding, amplitude, backups, bar, barrier, blank wall.

How do you use "congestion" in a sentence?

We were delayed by traffic congestion, so we had to hurry.

How do you pronounce "congestion"?

Pronounced /kənˈd͡ʒɛs.t͡ʃən/.

Etymology

From late Middle English congestioun, from Old French [Term?], from Latin congestĭō (“heap, accumulation”), from congerō (“to bring together, accumulate, heap up”), formed by the root gerō (“to carry”) and the prefix con-.

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