A type of drug that can make people feel very calm or sleepy. Doctors use opiates to help people who are in a lot of pain.
Opiates can be dangerous if they are not used correctly. They can also make people feel very good, but they can be addictive.
Examples:
The doctor gave her an opiate for her pain.
Opiates can make people feel very calm.
He took an opiate and fell asleep.
I don't think I want to take an opiate, it might make me too sleepy!
Some people take too many opiates and then they can't stop.
Opiates can be helpful, but they can also be very dangerous.