Unleaded
(adjective)
Not containing lead or having the lead removed.
Origin:
From un- (not) + leaded (containing lead).
Examples:
- Unleaded gasoline is safer for the environment.
- This paint is unleaded, so it is safe to use.
- The new pipes are unleaded so they don't pose a health risk.
- The new housing development will have unleaded water supply.
- Unleaded gasoline is designed to reduce emissions from vehicles.