Select the option that can be used as a one-word substitute for the given group of words/phrase.
A drug or other substance that induces sleep
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Sedative.
A sedative is a medicine or drug with a calming or tranquilizing effect.
The meaning of the other words are:
Energetic: to have a lot of enthusiasm and determination.
Reviver: something that triggers action or excitement.
Stimulant: a substance that makes the mind or body more active.