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crazier; craziest
1
2
a
: not mentally sound : marked by thought or action that lacks reason : insane sense 1b
yelling like a crazy man
—not used technically
b(1)
: impractical
a crazy plan
(2)
: erratic
crazy drivers
c
: being out of the ordinary : unusual
a taste for crazy hats
3
a
: distracted with desire or excitement
a thrill-crazy mob
The fans went crazy when their team won the championship.
b
: absurdly fond : infatuated
He's crazy about the girl.
c
: passionately preoccupied : obsessed
crazy about boats
plural crazies
: one who is or acts crazy
especially
: such a one associated with a radical or extremist political cause
… are convinced that Wilson thinks they're rubes, bumpkins, or crazies, and wants to replace them with a legislature full of moderate clones of himself. —
Fred Barnes
Fred Barnes 
Synonyms
Example Sentences
Adjective
He's been acting kind of crazy lately.
There are a lot of crazy drivers on the streets.
You are crazy to have paid so much for this car.
You would be crazy not to accept their offer!
What a crazy thing to do!
Noun
A bunch of crazies live there.
started yelling in the middle of the store like a crazy man
Adverb
I bought some crazy good stuff there.
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Recent Examples on the WebMeghan Rose, Glamour, 9 Feb. 2023
Before getting into the chaos of episode 5, that episode 4 cliff hanger was crazy.
—Calie Schepp, EW.com, 6 Feb. 2023
Bodies be crazy, and Hayek Pinault knows it all too well.
—Vulture, 3 Feb. 2023
The Board of Health, this is crazy, spent nearly $22,000 on these letters just in a three month span from October through December.
—Laura Johnston, cleveland, 2 Feb. 2023
With Eric concussed and not thinking clearly, Andrew is the only grown-up in the room who seems to have his head screwed on straight, representing the perspective of the audience: These people are crazy.
—Michael O'sullivan, Washington Post, 1 Feb. 2023
Go crazy with guacamole, too, because avocados are at a bargain.
—Parija Kavilanz, CNN, 30 Jan. 2023
History buffs will go crazy for all of the old architecture located in the heart of Nantucket, which is most lively in the spring, summer, and early fall months.
—Janaya Wecker, Country Living, 25 Jan. 2023
Most journalists will go crazy saying December’s jobs report is terrific.
—Teresa Ghilarducci, Forbes, 6 Jan. 2023
Brian T. Allen, National Review, 2 May 2020
Doyle’s message to stir-crazy, nature-seeking folks: Feel free to hike and enjoy the great outdoors.
—Ron Kroichick, SFChronicle.com, 25 Apr. 2020
There are four types of winter drivers: plodders, joggers, speeders and crazies.
—cleveland, 8 Feb. 2020
There are a lot of crazies in the city and a lot of bad guys.
—Carl Nolte, SFChronicle.com, 11 Jan. 2020
The Crimson Tide’s student section under first-year coach Nate Oats doesn’t have a catchy new nickname yet, but the hardhat wearing Crimson crazies showed up in force for the home team’s gritty 77-74 victory against Kansas State.
—Joseph Goodman | Jgoodman@al.com, al, 28 Jan. 2020
Please don’t engage with the crazies in the comments.
—Christina Oehler, Health.com, 15 Nov. 2019
Players marveled at the crowd’s enthusiasm after the game, and Gruden kept his tradition of visiting with the crazies after a Raiders win.
—Jerry Mcdonald, The Mercury News, 14 Sep. 2019
That’s the same thing that the Dayton, Ohio shooter did…You have fringe crazies on all sides.
—Bill Lambrecht, ExpressNews.com, 7 Aug. 2019
Washington Post, 13 July 2021
When Teigen and her husband, John Legend, first started trying to have a baby, not getting pregnant felt crazy-making.
—Jenny Singer, Glamour, 20 Apr. 2021
Then the internet started going crazy over whipping instant coffee and shortcut recipes.
—Katlyn Moncada, Better Homes & Gardens, 19 May 2020
Of course, Amy's fans are going crazy over the engagement announcement.
—Kayla Keegan, Good Housekeeping, 20 Sep. 2019
The twitter world is going crazy over this epic pitch by Oliver Drake of the Tampa Bay Rays.
—Rhett Allain, WIRED, 31 July 2019
While everyone is going crazy over the deals at Amazon for Prime Day right now, Newegg is sneaking through the back door of the bargain basement with its FantasTech sale.
—Ian Paul, PCWorld, 17 July 2018
The Fake News is going crazy making up false stories and using only unnamed sources (who don’t exist).
—Ryan Teague Beckwith, Time, 7 June 2018
The Fake News is going crazy making up false stories and using only unnamed sources (who don’t exist).
—Ryan Teague Beckwith, Time, 7 June 2018
See More
Adjective
Tauruses will go crazy for something chic, functional, and soft to the touch.
—Meghan Rose, Glamour, 9 Feb. 2023
Before getting into the chaos of episode 5, that episode 4 cliff hanger was crazy.
—Calie Schepp, EW.com, 6 Feb. 2023
Bodies be crazy, and Hayek Pinault knows it all too well.
—Vulture, 3 Feb. 2023
The Board of Health, this is crazy, spent nearly $22,000 on these letters just in a three month span from October through December.
—Laura Johnston, cleveland, 2 Feb. 2023
With Eric concussed and not thinking clearly, Andrew is the only grown-up in the room who seems to have his head screwed on straight, representing the perspective of the audience: These people are crazy.
—Michael O'sullivan, Washington Post, 1 Feb. 2023
Go crazy with guacamole, too, because avocados are at a bargain.
—Parija Kavilanz, CNN, 30 Jan. 2023
History buffs will go crazy for all of the old architecture located in the heart of Nantucket, which is most lively in the spring, summer, and early fall months.
—Janaya Wecker, Country Living, 25 Jan. 2023
Most journalists will go crazy saying December’s jobs report is terrific.
—Teresa Ghilarducci, Forbes, 6 Jan. 2023
Noun
The campus crazies demanding safe spaces seem to have polluted the entire culture with fear and anxiety.
—Brian T. Allen, National Review, 2 May 2020
Doyle’s message to stir-crazy, nature-seeking folks: Feel free to hike and enjoy the great outdoors.
—Ron Kroichick, SFChronicle.com, 25 Apr. 2020
There are four types of winter drivers: plodders, joggers, speeders and crazies.
—cleveland, 8 Feb. 2020
There are a lot of crazies in the city and a lot of bad guys.
—Carl Nolte, SFChronicle.com, 11 Jan. 2020
The Crimson Tide’s student section under first-year coach Nate Oats doesn’t have a catchy new nickname yet, but the hardhat wearing Crimson crazies showed up in force for the home team’s gritty 77-74 victory against Kansas State.
—Joseph Goodman | Jgoodman@al.com, al, 28 Jan. 2020
Please don’t engage with the crazies in the comments.
—Christina Oehler, Health.com, 15 Nov. 2019
Players marveled at the crowd’s enthusiasm after the game, and Gruden kept his tradition of visiting with the crazies after a Raiders win.
—Jerry Mcdonald, The Mercury News, 14 Sep. 2019
That’s the same thing that the Dayton, Ohio shooter did…You have fringe crazies on all sides.
—Bill Lambrecht, ExpressNews.com, 7 Aug. 2019
Adverb
For a smart woman hyper-alert to the nature of language, Adriaan’s oblique, infrequent text messages create a crazy-making predicament.
—Washington Post, 13 July 2021
When Teigen and her husband, John Legend, first started trying to have a baby, not getting pregnant felt crazy-making.
—Jenny Singer, Glamour, 20 Apr. 2021
Then the internet started going crazy over whipping instant coffee and shortcut recipes.
—Katlyn Moncada, Better Homes & Gardens, 19 May 2020
Of course, Amy's fans are going crazy over the engagement announcement.
—Kayla Keegan, Good Housekeeping, 20 Sep. 2019
The twitter world is going crazy over this epic pitch by Oliver Drake of the Tampa Bay Rays.
—Rhett Allain, WIRED, 31 July 2019
While everyone is going crazy over the deals at Amazon for Prime Day right now, Newegg is sneaking through the back door of the bargain basement with its FantasTech sale.
—Ian Paul, PCWorld, 17 July 2018
The Fake News is going crazy making up false stories and using only unnamed sources (who don’t exist).
—Ryan Teague Beckwith, Time, 7 June 2018
The Fake News is going crazy making up false stories and using only unnamed sources (who don’t exist).
—Ryan Teague Beckwith, Time, 7 June 2018
See More
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crazy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Word History
Phrases Containing crazy
Dictionary Entries Near crazy
Cite this Entry
“Crazy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crazy. Accessed 24 Mar. 2023.
Kids Definition
crazy
adjective
cra·zy
ˈkrā-zē
crazier; craziest
1
: having a diseased or abnormal mind : insane
2
: not sensible or logical
that's a crazy idea
3
: very excited or pleased
crazy about the new car
crazily
adverb
-zə-lē
craziness
noun
-zē-nəs
More from Merriam-Webster on crazy
Nglish: Translation of crazy for Spanish Speakers
Britannica English: Translation of crazy for Arabic Speakers
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