Synonyms for depressant

Most common

sedative · narcotic · soporific

All synonyms

Noun

Antonyms

stimulant, upper, tonic

All antonyms of depressant →

Definitions

1. n. 1

   A pharmacological substance which decreases neuronal or physiological activity.

   Alcohol acts first as a stimulant and then as a depressant.

Forms

Plural

depressants → sedatives, narcotics, soporifics, downers…

Example sentences

• narcotic This substance is a narcotic if inhaled.
• sedative Your so-called sedative only exacerbates the pain.
• soporific The book I bought yesterday is a real soporific.
• tranquilizing It was very tranquilizing for Tom.

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

6 letters

downer²

8 letters

sedative³, narcotic³

9 letters

soporific

13 letters

tranquilizing⁴

14 letters

tranquillizing

15 letters

contrastimulant

The small number after each word is its number of syllables (downer² = 2 syllables).