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.
While regular unleaded gas is typically used in passenger vehicles; diesel fuel is more common for delivery trucks, farm, buses and construction vehicles. Paula Wethington, CBS News, 4 May 2026 Since the Iran war began in late February, the national average price of unleaded gas has risen 49%. Yuliya Talmazan, NBC news, 4 May 2026 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 In Green Bay, for example, GasBuddy listings showed unleaded 88 for anywhere between 1 and 20 cents cheaper than regular gasoline across the stations with the lowest prices as of Tuesday morning. Addy Bink, The Hill, 31 Mar. 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

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Cite this Entry

“Unleaded.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unleaded. Accessed 13 May. 2026.

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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