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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.

Amber and yellow national severe weather warnings were issued for parts of northern England, North Wales, Scotland and Northern Ireland.

From BBC • Apr. 5, 2026

Border villages are going through a severe crisis, added 65-year-old Dori Ghrayeb.

From Barron's • Apr. 5, 2026

The light on Mag is framed like a melodramatic diva’s spotlight, and the close-ups of Delano’s electric purple lip gloss and severe makeup heighten the sequence’s sense of surrealism.

From Salon • Apr. 5, 2026

Well, there’s an energy price spike domestically and a severe one for countries more reliant on oil passing through the Strait of Hormuz.

From Slate • Apr. 4, 2026

Ellsberg spent the next three months in a hospital bed, recovering from a severe concussion and a broken knee.

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin