1
as in insanity
a foolish act or idea
you want to sneak into the building after the alarm is set—what lunacy!
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in dementia
a serious mental disorder that prevents one from living a safe and normal life
the judge ruled that the lunacy of the accused made him incompetent to stand trial
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in madness
lack of good sense or judgment
was it desperation or lunacy that caused him to quit his job and move to California without any plan for what to do when he got there?
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of lunacy
Yang is genius not just for playing the easy pickins of George Santos but high-concept lunacy like a gay oompaloompa and the iceberg that sunk the Titanic.
—
Steven Zeitch, HollywoodReporter, 20 Aug. 2025
Rooker unsurprisingly embraces the lunacy of his character, who dresses in Native American drag and tastes bird poop to track his prey.
—Alan Sepinwall, Rolling Stone, 15 Aug. 2025
Ultimately the inevitable showdown between Hutch and the Queen Bee that Stone embodies also works, not just for the inventive bloodletting, but also the LOL lunacy of it all.
—Pete Hammond, Deadline, 13 Aug. 2025
In the wake of all the fun and lunacy of the 22 weeks leading up to Super Bowl LX, the Seahawks’ suffocation of the Patriots may have been a bit of a letdown … at least for casual fans or anyone who enjoys a little spectacle with their football.
—Anthony Crupi, Sportico.com, 3 Sep. 2019
See All Example Sentences for lunacy
Steven Zeitch, HollywoodReporter, 20 Aug. 2025
Rooker unsurprisingly embraces the lunacy of his character, who dresses in Native American drag and tastes bird poop to track his prey.
—Alan Sepinwall, Rolling Stone, 15 Aug. 2025
Ultimately the inevitable showdown between Hutch and the Queen Bee that Stone embodies also works, not just for the inventive bloodletting, but also the LOL lunacy of it all.
—Pete Hammond, Deadline, 13 Aug. 2025
In the wake of all the fun and lunacy of the 22 weeks leading up to Super Bowl LX, the Seahawks’ suffocation of the Patriots may have been a bit of a letdown … at least for casual fans or anyone who enjoys a little spectacle with their football.
—Anthony Crupi, Sportico.com, 3 Sep. 2019
See All Example Sentences for lunacy
Recent Examples of Synonyms for lunacy
Noun
-
Replacing those funds with a sales tax would be unfair and regressive while hoping that the state will come up with some other source of funding is an exercise in insanity.—
Judy Mollica,
Sun Sentinel,
13 Feb. 2026
-
Defense attorneys hoped to convince the jury that Gacy was not guilty by reason of insanity.—
Kori Rumore,
Chicago Tribune,
6 Feb. 2026
Noun
-
New research suggests that several cups of caffeinated coffee or tea may reduce dementia risk.—
Sarah Garone,
Health,
20 Feb. 2026
-
Participants in speed training were less likely to be diagnosed with dementia.—
Brittney Melton,
NPR,
20 Feb. 2026
Noun
-
At the surface, everything about Doug Moe — his teams, his manner, his dress sense — seemed to embody complete madness.—
Sean Keeler,
Denver Post,
18 Feb. 2026
-
Only four days remain in the regular season before the madness of do-or-die season comes rolling in.—
Tom Mulherin,
Boston Herald,
16 Feb. 2026
Noun
-
Unlike its sibling concepts of dumbness and idiocy, stupidity isn’t really a personality trait.—
Jonny Thomson,
Big Think,
11 Feb. 2026
-
Harry and Finis refused to play Jack Donahoe’s game of commenting on every idiocy that came across their desks.—
Literary Hub,
Literary Hub,
27 Jan. 2026
Noun
-
Even platonic friendship isn’t safe from this Hollywood hysteria.—
Chas Newkey-Burden,
TheWeek,
17 Feb. 2026
-
The director cleverly dishes out these double meanings from start to finish, fusing the parental experience with tons of gore, hysteria, visual gags and occasional jump scares.—
Jordan Mintzer,
HollywoodReporter,
14 Feb. 2026
Noun
-
Indonesian auteur Edwin has spent much of his career examining the quiet absurdities of modern life with a cool, deadpan detachment.—
Patrick Brzeski,
HollywoodReporter,
15 Feb. 2026
-
Eager sycophants run behind him to carry out his directives and repeat his absurdities.—
Letters to the Editor,
The Orlando Sentinel,
15 Feb. 2026
Noun
-
How Tide evo Works Tide evo was clearly developed with simplicity top of mind.—
Joseph Erbentraut,
Better Homes & Gardens,
17 Feb. 2026
-
Blending simplicity and durability, additional elements include cobranded details and dual‑lace options, allowing for personalization.—
Jaden Thompson,
Footwear News,
17 Feb. 2026
Noun
-
This is a dear friend in a really tricky moment in time, and there just can’t be any of the craziness, and there just wasn’t.—
David Canfield,
HollywoodReporter,
13 Feb. 2026
-
Keeping up with all of this craziness is a full-time job, and then some.—
Brenda Looper,
Arkansas Online,
11 Feb. 2026
Cite this Entry
“Lunacy.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lunacy. Accessed 21 Feb. 2026.
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