Quiz: Remember the definition of mal de mer?


[si-deyt] /sɪˈdeɪt/
calm, quiet, or composed; undisturbed by passion or excitement:
a sedate party; a sedate horse.
verb (used with object), sedated, sedating.
to put (a person) under sedation.
1640-50; < Latin sēdātus (past participle of sēdāre to allay, quieten); akin to sedēre to sit1
Related forms
sedately, adverb
sedateness, noun
unsedate, adjective
unsedately, adverb
unsedateness, noun
1. collected, serene, unruffled, unperturbed. See staid. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for sedated
  • He was trained to enter and calmly remain in the crate, un-sedated for the journey.
  • Some studies suggest that prisoners are sometimes inadequately sedated, and perhaps die in silent agony from asphyxiation.
  • Upon waking she became nearly violent and posed a danger to herself, and had to be sedated for several days.
  • He was in intensive care, sedated, recovering from emergency surgery to remove his gallbladder.
  • And he had to be sedated before undergoing x-rays, blood tests, and other scientific probing.
  • The anesthesiologist sedated her and slipped a breathing tube down the trachea.
  • Team members race to revive a sedated tiger, even giving it mouth-to-mouth resuscitation.
  • His hair was disheveled, and he appeared to be heavily sedated.
  • She was thrashing about and had to be sedated before being removed from the car.
  • Avoid having your dog sedated before your departure to help it stay safe on the flight.
British Dictionary definitions for sedated


habitually calm and composed in manner; serene
staid, sober, or decorous
Derived Forms
sedately, adverb
sedateness, noun
Word Origin
C17: from Latin sēdāre to soothe; related to sedēre to sit


(transitive) to administer a sedative to
Word Origin
C20: back formation from sedative
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
Cite This Source
Word Origin and History for sedated



"calm, quiet," 1660s, from Latin sedatus "composed, moderate, quiet, tranquil," past participle of sedare "to settle, calm," causative of sedere "to sit" (see sedentary). Related: Sedately.


"treat with sedatives," 1945, a back-formation from the noun derivative of sedative (adj.). The word also existed 17c. in a sense "make calm or quiet." Related: Sedated; sedating.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
sedated in Medicine

sedate se·date (sĭ-dāt')
v. se·dat·ed, se·dat·ing, se·dates
To administer a sedative to; calm or relieve by means of a sedative drug.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for sedate

Many English speakers likely know this word

Word Value for sedated

Scrabble Words With Friends