sedative

1 of 2

adjective

sed·​a·​tive ˈse-də-tiv 

: tending to calm, moderate, or tranquilize nervousness or excitement

sedative

2 of 2

noun

: a sedative agent or drug

Synonyms of sedative

Adjective

• relaxing
• tranquilizing
• soothing
• comforting
• hypnotic

Examples of sedative in a Sentence

Adjective

some people find a glass of wine to be a civilized and sedative addition to an evening meal

Noun

The patient was given a powerful sedative.

Recent Examples on the Web

Adjective

The firm’s employees took Quaaludes, a sedative medication, like candy, hired prostitutes regularly, and held gambling sprees in Monte Carlo and Las Vegas. — Kalia Richardson, USA Today, 14 July 2026

The Drug Enforcement Administration says kratom produces stimulant effects in low doses and sedative effects in high doses, and can lead to psychotic symptoms, and psychological and physiological dependence. — Jake Rosenwasser, CBS News, 13 July 2026

Noun

Investigators allege the dentist administered multiple sedatives and failed to provide proper emergency treatment. — Brandi D. Addison, USA Today, 17 July 2026

Native to the Pacific Islands, its active compounds (kavalactones) act directly on the brain's GABA receptors much like a mild sedative and are typically used for acute anxiety or insomnia. — Jesse Pines, Forbes.com, 4 July 2026

Word History

Etymology

Adjective

Middle English, alleviating pain, from Middle French sedatif, from Medieval Latin sedativus, from Latin sedatus

First Known Use

Adjective

1779, in the meaning defined above

Noun

1797, in the meaning defined above

Kids Definition

sedative

1 of 2 adjective

sed·​a·​tive ˈsed-ət-iv 

: tending to calm or to ease tension

sedative

2 of 2 noun

: a sedative medicine

Medical Definition

sedative

1 of 2 adjective

sed·​a·​tive ˈsed-ət-iv 

: tending to calm, moderate, or tranquilize nervousness or excitement

sedative effects of anesthetics and analgesics

—Linda C. Haynes et al.

sedative

2 of 2 noun

: a sedative agent or drug