barbiturate

noun

Meaning

A class of central nervous system depressants used medically to induce sleep, reduce anxiety, or prevent seizures.

Examples

  • Medical professionals now rarely prescribe any barbiturate due to the high risk of fatal overdose.
  • The patient was monitored closely after being administered a potent barbiturate for severe insomnia.

Synonyms: sedative, tranquilizer, hypnotic, depressant