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Synonyms

solemn

American  
[sol-uhm] / ˈsɒl əm /

adjective

  1. grave, sober, or mirthless, as a person, the face, speech, tone, or mood.

    solemn remarks.

    Synonyms:
    serious, unsmiling
    Antonyms:
    humorous
  2. gravely or somberly impressive; causing serious thoughts or a grave mood.

    solemn music.

    Synonyms:
    stately, imposing, august
    Antonyms:
    trivial
  3. serious or earnest.

    solemn assurances.

  4. characterized by dignified or serious formality, as proceedings; of a formal or ceremonious character.

    a solemn occasion.

    Synonyms:
    ceremonial, ritual
  5. made in due legal or other express form, as a declaration or agreement.

    a solemn oath.

  6. marked or observed with religious rites; having a religious character.

    a solemn holy day.

    Synonyms:
    sacred, devotional
  7. uttered, prescribed, or made according to religious forms.

    a solemn ban on sacrifice.


solemn British  
/ ˈsɒləm /

adjective

  1. characterized or marked by seriousness or sincerity

    a solemn vow

  2. characterized by pomp, ceremony, or formality

  3. serious, glum, or pompous

  4. inspiring awe

    a solemn occasion

  5. performed with religious ceremony

  6. gloomy or sombre

    solemn colours

"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 grave 2.

Other Word Forms

  • oversolemn adjective
  • oversolemnness noun
  • semisolemn adjective
  • semisolemnness noun
  • solemnly adverb
  • solemnness noun
  • supersolemn adjective
  • supersolemnness noun
  • unsolemn adjective
  • unsolemnness noun

Etymology

Origin of solemn

First recorded in 1275–1325; Middle English solem(p)ne, from Old French or directly from Late Latin sōlennis, sōlempnis, Latin sōlemnis, variant of sollemnis “consecrated, holy,” derivative of sollus “whole”

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.

In a country of 9.6 million people, a million watched as a solemn Peter Magyar explained why he had had enough of his own party.

From BBC • Apr. 1, 2026

In one sequence, a solemn Gregorian chant pivots to a tango as Grace and Rocky’s ships connect airlock-to-airlock in spinning orbit.

From Los Angeles Times • Mar. 18, 2026

William and Kate spent the weekend in black, attending solemn ceremonies and wreath-layings for fallen soldiers.

From The Wall Street Journal • Mar. 11, 2026

“The solemn ritual returns the remains of troops killed in action. It is considered one of the most somber duties of a commander-in-chief.”

From Salon • Mar. 9, 2026

“Yesterday,” he said, his voice solemn, “we saw the best of ourselves. Working to fight a common enemy. Caring for each other.”

From "Willodeen" by Katherine Applegate