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Synonyms

severe

American  
[suh-veer] / səˈvɪər /

adjective

severer, severest
  1. harsh; unnecessarily extreme.

    severe criticism; severe laws.

    Antonyms:
    tolerant, lax, lenient
  2. serious or stern in manner or appearance.

    a severe face.

    Synonyms:
    grim, forbidding, dour, austere, punitive, draconian, rigorous, rigid, heavy-handed, strict
    Antonyms:
    temperate, mild, benign, gentle
  3. threatening a seriously bad outcome or involving serious issues; grave.

    a severe illness.

  4. rigidly restrained in style, taste, manner, etc.; simple, plain, or austere.

    Synonyms:
    stark, serious, spartan
  5. causing discomfort or distress by extreme character or conditions, as weather, cold, or heat; unpleasantly violent, as rain or wind, or a blow or shock.

  6. difficult to endure, perform, fulfill, etc..

    a severe test of his powers.

  7. rigidly exact, accurate, or methodical.

    severe standards.

    Synonyms:
    exacting, demanding
    Antonyms:
    facile, effortless, easy

severe British  
/ sɪˈvɪə, sɪˈvɛrɪtɪ /

adjective

  1. rigorous or harsh in the treatment of others; strict

    a severe parent

  2. serious in appearance or manner; stern

  3. critical or dangerous

    a severe illness

  4. causing misery or discomfort by its harshness

    severe weather

  5. strictly restrained in appearance; austere

    a severe way of dressing

  6. hard to endure, perform, or accomplish

    a severe test

  7. rigidly precise or exact

"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

Synonym Usage

See stern 1.

Other Word Forms

Etymology

Origin of severe

First recorded in 1540–50; from Latin sevērus, or back formation from severity

Explanation

Whether you're talking about a punishment, the weather, or how bad your flu is, severe indicates that it's at the limit of the spectrum. The austerity of a word like severe serves many purposes. The common usage is to describe tough or painful stuff, like icy snowstorms, merciless punishments, or grim conditions (e.g., a severe depression). If things are severe, they're serious. Severe could also describe a person's haircut if it's brutally short and angular, or their wardrobe if it tends to be all black with no flourishes.

Keep Reading on Vocabulary.com

Vocabulary lists containing severe

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:

A company spokeswoman defended the steps Anthropic has taken as necessary to ensure models are safe and that adversaries can’t use them to create severe risks.

From The Wall Street Journal Jul. 29, 2026

On land, Japan is experiencing a severe heatwave with thousands of people needing hospital treatment over a week.

From Barron's Jul. 29, 2026

They provide California with a significant share of its water, but they can also produce severe flooding and widespread damage.

From Science Daily Jul. 28, 2026

And I know they share that concern, but maybe it’s not the same degree of concern, because they don’t understand the illness and how severe it can become.

From Los Angeles Times Jul. 28, 2026

She was trying on her latest disguise—a dowdy gown of dull gray—and her hair was swept back in a severe bun with just a few curls loose at the temples.

From "The Detective's Assistant" by Kate Hannigan

The Oscars’ viewership woes are severer and more clear-cut: Last year’s broadcast saw a 58 percent drop in viewership from 2020, according to Nielsen.

From Washington Post Mar. 18, 2022

The Morgan has got the Frick Collection’s portrait of Thomas More, while Los Angeles got the Frick’s severer portrait of Thomas Cromwell; neither has been seen among other Holbeins in a century.

From New York Times Feb. 10, 2022

This year is predicted to be severer still, with economists forecasting a downswing of between 7% and 11% - unparalleled anywhere in Latin America save Venezuela.

From The Guardian Apr. 16, 2019

Past generations of Americans have faced and overcome severer tests.

From MSNBC Jan. 16, 2018

All cases demanding severer treatment are relegated to the Guernsey Courts.

From Legal Lore Curiosities of Law and Lawyers by Various

You’d think that Deborah, the seasoned comedian who has weathered the severest industry toxicity imaginable, would appreciate that about Ava.

From Salon May 2, 2024

A global authority on food security said that in the coming months, as many as 1.1 million people in Gaza could face the severest levels of hunger.

From New York Times Mar. 18, 2024

For about 700 of these patients who have the severest form of the disease, the limited options were based around intravenous drugs.

From BBC Feb. 1, 2024

Heat-related illness ranges from heat exhaustion, which causes heavy sweating and a rapid pulse, to heatstroke, which causes confusion, loss of consciousness, high fever, and in many of the severest cases even death.

From Seattle Times Sep. 10, 2023

The pile of bricks Claire hid behind shielded her from the severest heat and most of the flying debris.

From "The Great Fire" by Jim Murphy

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