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Synonyms

sedate

American  
[si-deyt] / sɪˈdeɪt /

adjective

  1. calm, quiet, or composed; undisturbed by passion or excitement.

    a sedate party;

    a sedate horse.

    Synonyms:
    unperturbed, unruffled, serene, collected

verb (used with object)

sedated, sedating
  1. to put (a person) under sedation.

sedate 1 British  
/ sɪˈdeɪt /

adjective

  1. habitually calm and composed in manner; serene

  2. staid, sober, or decorous

"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

sedate 2 British  
/ sɪˈdeɪt /

verb

  1. (tr) to administer a sedative to

"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 staid.

Other Word Forms

Etymology

Origin of sedate

First recorded in 1640–50; from Latin sēdātus (past participle of sēdāre “to allay, quieten”); akin to sedēre “to sit”; see sit 1

Explanation

Sedate means to be calm, but if a doctor sedates you it means you've been administered a tranquilizing drug. Most surgeries require some form of sedation, but to be sedate in day-to-day life means composed, quiet, and serene. Not necessarily unconscious. To be sedate when dining with the Queen means that you behaved with dignity and solemnity. To be sedated when dining with the Queen means that you were face down in the bread pudding and drooling onto the tablecloth. The medical sense of the word is to be tranquilized, either to calm your nerves after a shock or in preparation for surgery. Socially, to be sedate is to be serene, quiet, and composed.

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Vocabulary lists containing sedate

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.

By the 1870s his work—often passively comfortable with the standard paysage, or horizontal format, and entranced by distant spectacles like sunsets or mountaintops—began to seem sedate to serious viewers.

From The Wall Street Journal • May 1, 2026

Doctors were forced to sedate him and operate on him.

From BBC • Apr. 16, 2026

Nursing homes have a powerful incentive to sedate residents, and comparatively few people are watching.

From MarketWatch • Apr. 7, 2026

Distinguished by different hairdos and contrasting body language, Douglas, who can will himself to appear sedate, and James, who’s in a continual manic spiral, have more in common than either would care to admit.

From Los Angeles Times • Jan. 28, 2026

It was both bohemian and conventional, lively and sedate.

From "Long Walk to Freedom" by Nelson Mandela

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