cuckoo 1 of 2

adjective

Definition of cuckoonext
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

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Antonyms & Near Antonyms

cuckoo

2 of 2

noun

ˈkü-(ˌ)kü How to pronounce cuckoo (audio)
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
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
There in Bauhus’s office, a cuckoo springs out of the little house on the wall—that sleek, modern clock, missing the detail of tradition but still gesturing at something. — Kendra Atleework, Longreads, 12 Mar. 2026 Under the current Gateway plan, those repairs don’t happen until 2040, which is cuckoo, especially if imminent failure is feared. — New York Daily News Editorial Board, New York Daily News, 16 Feb. 2026 See All Example Sentences for cuckoo
Recent Examples of Synonyms for cuckoo
  1. mad
  2. lunatic
  3. goose
  4. foolish
  5. fool
  6. silly
  7. stupid
  8. maniac
Adjective
  • Over the last few years, there are these sounds that have appeared in certain towns that have driven people mad, that’s actually happening.
    — Reshma Gopaldas, IndieWire, 9 July 2026
  • The scene played out across the soccer-mad nation as Egypt faced the defending World Cup champion in the round-of-16 fixture in Atlanta.
    — ABC News, ABC News, 7 July 2026
Definition of mad
Noun
  • As a Spurs fan, I was particularly invested in Campbell in an England shirt and recall charging around the living room like a lunatic before the reality that it had been chalked off hit home.
    — The Athletic UK Staff, New York Times, 18 June 2026
  • The lunatics are running the asylum.
    — Eugenie Brinkema, ARTnews.com, 14 June 2026
Definition of lunatic
Noun
  • Unlike caviar, though, Chinese foie gras will also face headwinds in America as animal-rights activists continue fighting to get the duck and goose liver banned.
    — Jeremy Repanich, Robb Report, 13 July 2026
  • The scribe carefully inscribed each line with a quill made from a goose feather, while their other hand wielded an erasing knife used to sharpen the quill and scrape away any mistakes.
    — Literary Hub, Literary Hub, 6 July 2026
Definition of goose
Adjective
  • Johnson continued this week to push for his foolish and counterproductive desire to impose a $33-per-month tax on each Chicago job generated by the city’s largest private-sector employers.
    — The Editorial Board, Chicago Tribune, 10 July 2026
  • As is, this is a foolish thriller that prompts the occasional snicker but not much more.
    — Randy Myers, Mercury News, 9 July 2026
Definition of foolish
Noun
  • Don’t let the thin sole fool you though, the structure is still quite supportive and keeps your feet cushioned.
    — Rylee Johnston, PEOPLE, 11 July 2026
  • Being a gent or a supplicant wasn’t the same as being a fool, though.
    — Nicholas Quah, Vulture, 29 June 2026
Definition of fool
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
Definition of silly
Adjective
  • There are plenty of videos from Yellowstone National Park involving tourists doing breathtakingly stupid things around wild animals.
    — Amber Harding OutKick, FOXNews.com, 12 July 2026
  • Even when Romanzy goes off on how stupid and ugly Caleb is — and gossips that his parents abandoned him because something must be wrong with him — Mary goes along with it.
    — Maggie Fremont, Vulture, 11 July 2026
Definition of stupid
Noun
  • Mantzoukas was willing to look like a maniac and a moron in equal measure.
    — Roxana Hadadi, Vulture, 17 June 2026
  • The Martin Lawrence vehicle Martin, which ran for five glorious seasons, offered a terrific platform for Lawrence to run around like a maniac as an energetic radio DJ.
    — Jordan Hoffman, Entertainment Weekly, 8 June 2026
Definition of maniac

Browse Nearby Words

cubs
cuckoo
cuckoo clock
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Cite this Entry

“Cuckoo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cuckoo. Accessed 18 Jul. 2026.

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More from Merriam-Webster on cuckoo

Nglish: Translation of cuckoo for Spanish Speakers

Britannica.com: Encyclopedia article about cuckoo

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