tranquillizer
/ˈtræŋkwəlaɪzər/
noun
- A drug used to make a person or animal calmer or to help them sleep.
- The doctor prescribed a mild tranquillizer to help her manage her anxiety.
- The zookeeper used a dart with a tranquillizer to safely capture the escaped tiger.
- He took a tranquillizer before the flight because he was afraid of flying.
Antonyms