[ si-deyt ]
/ sɪˈdeɪt /


calm, quiet, or composed; undisturbed by passion or excitement: a sedate party; a sedate horse.

verb (used with object), se·dat·ed, se·dat·ing.

to put (a person) under sedation.

Origin of sedate

1640–50; < Latin sēdātus (past participle of sēdāre to allay, quieten); akin to sedēre to sit1

OTHER WORDS FROM sedate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for sedate

British Dictionary definitions for sedate (1 of 2)

/ (sɪˈdeɪt) /


habitually calm and composed in manner; serene
staid, sober, or decorous

Derived forms of sedate

sedately, adverbsedateness, noun

Word Origin for sedate

C17: from Latin sēdāre to soothe; related to sedēre to sit

British Dictionary definitions for sedate (2 of 2)

/ (sɪˈdeɪt) /


(tr) to administer a sedative to

Word Origin for sedate

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

Medical definitions for sedate

[ sĭ-dāt ]


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.