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

There are about 60 gas stations nationwide and rising—concentrated in Missouri, Colorado, Oklahoma, and Texas thus far—that already are selling regular unleaded gasoline below $2 per gallon, McClain said. —Jordan Blum, Fortune, 17 Dec. 2025

Michigan drivers are now paying an average of $2.82 per gallon for regular unleaded − 13 cents less than this time last year. —Keith Matheny, Freep.com, 8 Dec. 2025

By 1989, the Lion Oil refinery employed 400 people, refined 50,000 barrels of oil per day and produced unleaded fuels and more than 150 asphalt products. —Arkansas Online, 6 Dec. 2025

Michigan gas prices have dropped 9 cents per regular unleaded gallon since last week, AAA-The Auto Club group reported. —Paula Wethington, CBS News, 17 Nov. 2025

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