unleaded

adjective

un·​lead·​ed ˌən-ˈle-dəd 

1

: not having leads between the lines in printing

2

: not treated or mixed with lead or lead compounds

unleaded fuels

Examples of unleaded in a Sentence

Recent Examples on the Web

Since late July, diesel prices have been rising higher and faster overall than the cost of regular unleaded gas. — Steve Kopack, NBC news, 11 Sep. 2026

Oklahoma gasoline prices on the rise Aside from diesel, regular unleaded gasoline is also creeping upward. — Dale Denwalt, Oklahoman, 11 Sep. 2026

Gas prices in Michigan dropped 11 cents per gallon for unleaded fuel in the past week, AAA-The Auto Club Group says. — Paula Wethington, CBS News, 24 Aug. 2026

The good news is that the AAA reports the national average price for a gallon of premium unleaded gasoline dropped by nearly 20 cents over the past week. — Jim Gorzelany, Forbes.com, 5 June 2026

Word History

First Known Use

1811, in the meaning defined at sense 1

Rhymes for unleaded

• bareheaded
• beheaded
• embedded
• hardheaded
• homesteaded
• imbedded
• impleaded
• lightheaded
• redheaded
• spearheaded
• bedded
• breaded

Kids Definition

unleaded

adjective

un·​lead·​ed ˌən-ˈled-əd 

: not mixed with lead or lead compounds

unleaded gasoline