sedative

[ sed-uh-tiv ]
/ ˈsɛd ə tɪv /

adjective

tending to calm or soothe.
allaying irritability or excitement; assuaging pain; lowering functional activity.

noun

a sedative drug or agent.

Origin of sedative

1375–1425; late Middle English (adj.) (< Middle French sédatif) < Medieval Latin sēdātīvus, equivalent to Latin sēdāt(us) (see sedate) + -īvus -ive

Related forms

un·sed·a·tive, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sedative

British Dictionary definitions for sedative

sedative

/ (ˈsɛdətɪv) /

adjective

having a soothing or calming effect
of or relating to sedation

noun

med a sedative drug or agent

Word Origin for sedative

C15: from Medieval Latin sēdātīvus, from Latin sēdātus assuaged; see sedate 1
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

Medicine definitions for sedative

sedative

[ sĕdə-tĭv ]

adj.

Having a soothing, calming, or tranquilizing effect; reducing or relieving anxiety, stress, irritability, or excitement.

n.

An agent or a drug that produces a soothing, calming, or tranquilizing effect.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for sedative

sedative

[ sĕdə-tĭv ]

A drug having a calming or quieting effect, often given to reduce anxiety or to promote relaxation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.