rad
1 Americannoun
noun
adjective
abbreviation
abbreviation
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radical.
-
radix.
noun
symbol
abbreviation
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radical
-
radius
Etymology
Origin of rad1
First recorded in 1915–20; r(adiation) a(bsorbed) d(ose)
Origin of rad2
First recorded in 1820–25 rad 2 for 1; 1975–80 rad 2 for 2; shortening of radical
Origin of rad3
First recorded in 1910–15; shortening
Vocabulary lists containing rad
Nuclear Processes
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Physics - High School
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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.
See Examples For:
So if I could sleep in until 9 a.m. or 9:30 a.m., that would be rad.
From Los Angeles Times ● Dec. 20, 2024
“We believe in respect, kindness, and love. We are huge fans of other women-owned companies, LGBTQIA+ communities, and rad men’s companies too. None of that feels political to us,” she said.
From Slate ● Jul. 23, 2024
Here are three potential itineraries for three different kinds of rad dads: those who love the great outdoors, fall head over heels for food and dig the arts.
From Seattle Times ● Jun. 1, 2024
To see a young Galadriel as this kind of warrior was rad.
From Los Angeles Times ● Apr. 7, 2023
“You’ve been here a fraction of the time everyone else has, but you’ve gotten pretty much double the amount of litter off the streets. Pretty rad, Fern.”
From "The Wrong Way Home" by Kate O’Shaughnessy
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"It's so rad. I have all of my friends here in one place. They've been my rock through everything," added Raducanu, who has reached the fourth round in 2021 and 2024.
From BBC ● Jul. 2, 2025
It’s, “OMG, the traffic in Cairo is soo bad. But getting to see the pyramids is SO rad. I am breathless with excitement.”
From Washington Post ● Mar. 10, 2023
I know what you’re wondering: “That sounds rad. How can I earn my own ieMedal?”
From The Verge ● Feb. 25, 2022
“It was really exciting to meet him. That was rad. It’s been a lot of people.”
From New York Times ● Feb. 27, 2014
Notice how close Timmy is to the breaking part of the wave-in a contest, they call that "critical positioning"; in regular surfing, they call it "rad." 3-4.
From Time Magazine Archive
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Skateboarding, once a skill practiced mostly by becalmed surfers and, later, a teen fad, has entered its third phase, bigger, badder, radder and more streetwise than ever.
From Time Magazine Archive
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"Beoples might radder haf deir landts for nuttin', dan bay rents for dem."
From The Redskins; or, Indian and Injin, Volume 1. Being the Conclusion of the Littlepage Manuscripts by Cooper, James Fenimore
"I'd a heap sight radder hab soffin' t' eat," said Washington, when it was made known that they were to retire.
From Through Space to Mars Or the Longest Journey on Record by Rockwood, Roy
"Great deal radder be out dan be in here."
From The Chainbearer Or, The Littlepage Manuscripts by Cooper, James Fenimore
I'd radder go to hell on my knees backward dan tech de fust drap ob dat.
From Si Klegg, Book 4 (of 6) Experiences Of Si And Shorty On The Great Tullahoma Campaign by McElroy, John
Hunter Burgan of AFI was brought out and introduced as not only “one of the raddest bass players ever ripping” but also “a mean sax player.”
From Los Angeles Times ● May 19, 2025
"Rez Dogs" also has the raddest soundtrack on television, the result of Harjo's eclectic taste and his penchant for upending expectations.
From Salon ● Aug. 3, 2022
The Rockets always have some the raddest alternate unis in the NBA, but throw Beyoncé’s Tim Burton-shaming cavalcade of costume designers into the mix, and you can expect some serious fireworks.
From Golf Digest ● Aug. 1, 2017
I was 10 years old when my brother handed me Ray Bradbury’s “A Sound of Thunder” with the endorsement that it was “probably the raddest story ever.”
From New York Times ● Sep. 26, 2016
“This is the raddest thing ever,” I said.
From "The First Rule of Punk" by Celia C. Pérez
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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.