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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, 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

Related Words

See stern 1.

Other Word Forms

  • oversevere adjective
  • oversevereness noun
  • severely adverb
  • severeness noun
  • supersevere adjective
  • supersevereness noun
  • unsevere adjective
  • unsevereness noun

Etymology

Origin of severe

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

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.

Chemicals can also cause severe rashes and asthma.

From Los Angeles Times • Apr. 10, 2026

The war, however, had a less severe impact on inflation than economists anticipated.

From Barron's • Apr. 10, 2026

ABF prices have remained stable as there haven’t been severe shortages recently, said Shih Fang Chiu, a senior researcher at the Taiwan Institute of Economic Research.

From The Wall Street Journal • Apr. 10, 2026

The frequency and cost of climate-influenced disasters, including severe storms, drought and flooding, continues to mount — between $350 billion and $450 billion in each of the last three years — stretching government budgets.

From Salon • Apr. 10, 2026

May brought blizzards so severe that Wild was afraid their hut would be smashed by the sheets of ice that the wind wrenched from the cliffs.

From "Shipwreck at the Bottom of the World" by Jennifer Armstrong