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

The average cost of unleaded gas has climbed more than a dollar in the month since the war began. — Josh Kelly, Oklahoman, 1 Apr. 2026

The average price of unleaded gas has climbed more than a dollar in the month since the war began. — Rachel Barber, USA Today, 31 Mar. 2026

By the middle of the week, the average nationwide price per gallon of unleaded gas was just above $4, down more than 50 cents off its peak. — Steve Kopack, NBC news, 17 June 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