unleaded

adjective

un·​lead·​ed ˌən-ˈle-dəd How to pronounce unleaded (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Diesel prices are consistently higher than unleaded or premium gas prices. — Cooper Katz McKim, NPR, 2 Oct. 2026 Michigan gas prices daily trends Regular unleaded gas is the blend most commonly used in passenger cars. — Paula Wethington, CBS News, 21 Sep. 2026 All prices below are for one gallon of regular, unleaded fuel. — Mary Walrath-Holdridge, USA Today, 17 Sep. 2026 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 See All Example Sentences for unleaded

Word History

First Known Use

1811, in the meaning defined at sense 1

Time Traveler
The first known use of unleaded was in 1811

Rhymes for unleaded

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Browse Nearby Words

unlead
unleaded
unleaf
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Cite this Entry

“Unleaded.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unleaded. Accessed 9 Oct. 2026.

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Kids Definition

unleaded

adjective
un·​lead·​ed ˌən-ˈled-əd How to pronounce unleaded (audio)
: not mixed with lead or lead compounds
unleaded gasoline
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