Sedative Definition

sĕdə-tĭv
sedatives
adjective
Tending to soothe or quiet.
Webster's New World
Having the property of lessening excitement, nervousness, or irritation.
Webster's New World
Antonyms:
noun
sedatives
A sedative medicine.
Webster's New World
An agent or a drug having a soothing, calming, or tranquilizing effect.
American Heritage Medicine
Antonyms:
antidepressant

Other Word Forms of Sedative

Noun

Singular:
sedative
Plural:
sedatives

Origin of Sedative

  • Middle English from Old French sedatif from Medieval Latin sēdātīvus from Latin sēdātus past participle of sēdāre to calm sedate1

    From American Heritage Dictionary of the English Language, 5th Edition

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