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Synonyms

serene

American  
[suh-reen] / səˈrin /

adjective

  1. calm, peaceful, or tranquil; unruffled.

    a serene landscape;

    serene old age.

    Synonyms:
    collected, composed, unperturbed, imperturbable, undisturbed
    Antonyms:
    disturbed
  2. clear; fair.

    serene weather.

    Synonyms:
    unclouded
    Antonyms:
    clouded
  3. Usually Serene most high or august (used as a royal epithet, usually preceded by his, your, etc.).

    His Serene Highness.


noun

  1. serenity; tranquility.

    the serene of early morning at the lake.

  2. Archaic. a clear or tranquil expanse of sea or sky.

serene British  
/ sɪˈriːn /

adjective

  1. peaceful or tranquil; calm

  2. clear or bright

    a serene sky

  3. (often capital) honoured: used as part of certain royal titles

    His Serene Highness

"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 peaceful.

Other Word Forms

  • overserene adjective
  • overserenely adverb
  • serenely adverb
  • sereneness noun
  • unserene adjective
  • unserenely adverb
  • unsereneness noun

Etymology

Origin of serene

First recorded in 1400–50; Middle English, from Old French serein and Latin serēnus (of the sky, weather) “clear, unclouded”

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.

At Amarapura's Nagayon Pagoda, a Buddha statue reduced to just two legs and hands on a pedestal has been fully restored, looking out with a serene gaze.

From Barron's • Mar. 26, 2026

Sabalenka, 27, has won the US Open in each of the past two years and looks in serene form.

From BBC • Mar. 23, 2026

Soprano Hilary Cronin was a dazzling, lyrical Iole, her precisely calibrated da capo arias capturing the princess’s serene acceptance of her lot and her consoling, thoughtful presence—the antithesis of the disturbed Dejanira.

From The Wall Street Journal • Mar. 18, 2026

When discussing the two years he spent in Metallica and the bad blood that followed, Mustaine is contemplative and serene.

From Los Angeles Times • Feb. 20, 2026

For the precious stone had begun to glow a soft, serene radiance just like the moon.

From "When the Sea Turned to Silver" by Grace Lin