as in mad
showing or marked by a lack of good sense or judgment
offered a completely cuckoo suggestion for using the defunct strip mall
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
1
as in lunatic
a person who lacks good sense or judgment
one cuckoo at the campground tried to boil soup in a plastic cup
Synonyms & Similar Words
Antonyms & Near Antonyms
2
as in goose
a silly flighty person
didn't want to be among those cuckoos who race around the mall the day before Christmas
Synonyms & Similar Words
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of cuckoo
Perri Klass, Smithsonian Magazine, 24 May 2022
In the midst of such cuckoo-ness, my son, Isaac, and daughter-in-law, Lennon, had the courage to bring a child into this world.
—New York Times, 15 Mar. 2022
Jesse Greenspan, Scientific American, 10 Dec. 2025
In For Good, all of Oz is cuckoo for clock ticks.
—Rebecca Alter, Vulture, 26 Nov. 2025
See All Example Sentences for cuckoo
Adjective
In the Disney film, Geppetto is a maker of toys and cuckoo clocks living in a vaguely European half-timber house.
—Perri Klass, Smithsonian Magazine, 24 May 2022
In the midst of such cuckoo-ness, my son, Isaac, and daughter-in-law, Lennon, had the courage to bring a child into this world.
—New York Times, 15 Mar. 2022
Noun
At a field site in Australia, Kennerley has witnessed individuals from a dozen or more species mob a cuckoo in response to a chorus of whining calls.
—Jesse Greenspan, Scientific American, 10 Dec. 2025
In For Good, all of Oz is cuckoo for clock ticks.
—Rebecca Alter, Vulture, 26 Nov. 2025
See All Example Sentences for cuckoo
Recent Examples of Synonyms for cuckoo
Adjective
-
Pederson is something of a mad scientist with bats.—
Evan Grant,
Dallas Morning News,
14 Feb. 2026
-
Emerald Fennell’s adaptation of Emily Brontë’s beloved novel has been driving people mad since the project was first announced.—
Savannah Salazar,
Vulture,
13 Feb. 2026
Noun
-
Even then, though, the popular take — the story of the lunatics taking over asylum — didn’t sit right with me.—
Paul Fischer,
HollywoodReporter,
13 Feb. 2026
-
Beating these lunatics was incredible, right?—
Joey Garrison,
USA Today,
5 Feb. 2026
Noun
-
Two firefighters in ice rescue suits navigated the icy conditions and removed the goose from the ice.—
Justin Muszynski,
Hartford Courant,
17 Feb. 2026
-
Maara is a silly goose who knows how to switch it up.—
Kiana Mickles,
Pitchfork,
17 Feb. 2026
Adjective
-
When federal policy creates an opportunity to bring additional resources into a state’s education ecosystem, leaders would be foolish to ignore it.—
Susana A. Mendoza,
Chicago Tribune,
18 Feb. 2026
-
The fear of looking foolish lasts a moment.—
Brendan Keegan,
Rolling Stone,
18 Feb. 2026
Noun
-
The Mad Monarch of Mar-a-Lago is ridiculed worldwide as the babbling fool and face of Satan whose venom is deadly and far-reaching.—
Voice of the People,
New York Daily News,
15 Feb. 2026
-
But don’t let the humble exterior fool you.—
USA TODAY NETWORK,
USA Today,
11 Feb. 2026
Noun
-
But no, sillies: Bradley is white, famous and pretty — no jail time for her!—
Kimberly Roots,
TVLine,
17 Sep. 2025
-
It was shot in portrait because it was shot in Instagram by and for a woman who was losing her mind in quarantine and had fully let the sillies take the wheel.—
Ego Nwodim,
TIME,
12 Feb. 2025
Adjective
-
But maybe Johnson isn’t stupid.—
Mark Z. Barabak,
Mercury News,
18 Feb. 2026
-
Even in contemporary political and intellectual discourse, there remains an attachment to a particular stupid southern conservatism, the ideocratic confederacy.—
Literary Hub,
Literary Hub,
17 Feb. 2026
Noun
-
However, unexpected and decidedly unwelcome guests keep turning up, including Beau’s brother, and a man who might be a homicidal maniac.—
Matthew J. Palm,
The Orlando Sentinel,
18 Jan. 2026
-
Not the fear of an actor out of her element, or the more mundane fear of a victim being chased around by an ax-wielding maniac.—
Bilge Ebiri,
Vulture,
31 Dec. 2025
Cite this Entry
“Cuckoo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cuckoo. Accessed 21 Feb. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
