hard hat
1 Americannoun
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a protective helmet of metal or plastic, especially as worn by construction or factory workers.
-
a uniformed soldier of a regular army, as opposed to a guerrilla.
noun
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a construction worker, especially a member of a construction workers' union.
-
a working-class conservative.
adjective
noun
-
a hat made of a hard material for protection, worn esp by construction workers, equestrians, etc
-
informal a construction worker
adjective
Etymology
Origin of hard hat1
First recorded in 1925–30
Origin of hard-hat2
First recorded in 1960–65
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.
When I saw her, brandishing a hard hat and trowel at a housebuilding site, there seemed no question of her going anywhere.
From BBC • Sep. 6, 2025
On nearby benches, one person in scrubs and another in a reflective vest and hard hat ate their Tupperware lunches, like some kind of Village People reboot waiting to happen.
From Slate • Aug. 13, 2025
The ads first aired in 2022 and feature CEO Patti Poppe in a company-branded hard hat while saying the company is “transforming your hometown utility from the ground up.”
From Seattle Times • Apr. 22, 2024
Clad in a hard hat, sweater vest and orange work gloves, he drives to a nearby turbine and walks up a staircase to show us the machinery inside.
From Los Angeles Times • Apr. 16, 2024
“Ick,” said Boots as a drop of liquid landed on Gregor’s hard hat.
From "Gregor the Overlander" by Suzanne Collins
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.