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leaded

American

[led-id] / ˈlɛd ɪd /

adjective

(of gasoline) containing tetraethyllead.

leaded British

/ ˈlɛdɪd /

adjective

(of windows) composed of small panes of glass held in place by thin grooved strips of lead

leaded lights
(of petrol) containing tetraethyl lead in order to improve combustion

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of leaded

First recorded in 1935–40; lead ² + -ed ³

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The homes are filled with quirky leaded glass windows, uneven angles and heaps of wood shingles, resembling a thatched straw roof.

From Los Angeles Times • Nov. 21, 2025

From this data, they estimated lead's assault on mental health and personality by calculating "mental illness points" gained from leaded gas exposure as a proxy for its harmful impact on public health.

From Science Daily • Dec. 4, 2024

Last October, the EPA deemed the continued use of leaded gasoline by some smaller airplanes a danger to public health.

From National Geographic • Feb. 8, 2024

"We've got some timber-framed, single-glazed, leaded windows, which I've got no intention of changing because it would completely change the character of the house," Stuart says.

From BBC • Oct. 18, 2023

A few minutes passed, and Thomas felt the long day finally catch up to him, the leaded edge of sleep crossing over his mind.

From "The Maze Runner" by James Dashner

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023