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

On March 24, 2025, the nationwide average price of regular unleaded gasoline was about $3.10 per gallon, according to GasBuddy data. —Carlos Waters, CNBC, 25 Mar. 2025

Statewide, the average for a gallon of unleaded gasoline is $2.89 on Friday morning, a good 29 cents below the national average of $3.18, according to the website of the American Automobile Association. —Alan Wooten | The Center Square, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 4 Oct. 2024

Michigan gas prices, which were down an average of 7 cents Sunday from the week before, fell to $3.03 a gallon for regular unleaded, according to AAA. —Frank Witsil, Detroit Free Press, 30 Dec. 2024

The cost of unleaded gas in San Francisco was $5.05. —Nollyanne Delacruz, The Mercury News, 3 Mar. 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