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What is another word for cuckoo?

Need synonyms for cuckoo? Here's a list of similar words from our thesaurus that you can use instead.

Contexts ▼

Adjective

Not having a sound state of mind

Displaying a lack of sensibleness or judgment

Strangely unconventional or eccentric

Someone who lacks general intelligence or common sense

A person, typically male, who is insane or mentally disturbed

(informal, rare) A person lacking intelligence or common sense

… more ▼

Adjective

▲

Not having a sound state of mind

away with the fairies

nutso

not the full shilling

not right in the head

out of one's mind

eccentric

up the pole

not quite right in the head

have kangaroos in the top paddock

have bats in the belfry

flakey^US

flaky^UK

not in your right mind

erratic

schizo

flipped

one card shy of a full deck

a few cards shy of a full deck

a few sandwiches short of a picnic

severely mentally ill

deprived of one's wits

having kangaroos in the top paddock

two sandwiches short of a picnic

maddened

schizzo

off the chain

severely mentally disordered

one sandwich short of a picnic

as mad as a March hare

as mad as a hatter

in the ozone

not right

traumatized^US

traumatised^UK

at the end of your tether

at wits' end

not knowing what to do with oneself

like a chicken with its head cut off

driven to distraction

in a fit

out of one's wits

more ❯

“Giorgio keeps harping on about ancient aliens building the great pyramids. I'm beginning to think he's a little cuckoo.”

Adjective

▲

Displaying a lack of sensibleness or judgment

dead from the neck up

flakey^US

flaky^UK

stupidly irresponsible

as thick as two short planks

not the full shilling

pig-ignorant

thick as two short planks

not the sharpest tool in the box

not the sharpest tool in the shed

not the sharpest knife in the drawer

dumb as a box of rocks

dumb as a bag of hammers

devoid of intelligence

beyond the bounds of possibility

more ❯

“Frankly, I think she has a cuckoo idea that if I get a lot of stuff from him, I'll love him more than I do her, which is crazy.”

Adjective

▲

Strangely unconventional or eccentric

flakey^US

flaky^UK

off-colour^UK

off-color^US

like nothing on earth

never to be forgotten

more ❯

“We have to prove that literature students are not woolly-headed creatures living in a cuckoo land of dreams.”

Noun

▲

Someone who lacks general intelligence or common sense

unsophisticated person

more ❯

“He started babbling incoherently about being the Tiger King, and I suspected that I might be dealing with a cuckoo.”

Noun

▲

A person, typically male, who is insane or mentally disturbed

antisocial personality

one who has a screw loose

one who has bats in the belfry

square peg in a round hole

round peg in a square hole

more ❯

Noun

▲

(informal, rare) A person lacking intelligence or common sense

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What is another word for cuckoo?

Need synonyms for cuckoo? Here's a list of similar words from our thesaurus that you can use instead.

Related Words and Phrases

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