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What is another word for lunatic?

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

Contexts ▼

Noun

A person with a disordered mental state, or seemingly so

An extremely foolish or eccentric person

Adjective

Not having a sound state of mind

Displaying a lack of sensibleness or judgment

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Noun

▲

A person with a disordered mental state, or seemingly so

one who has a screw loose

one who has bats in the belfry

antisocial personality

square peg in a round hole

round peg in a square hole

more ❯

“If he had been psychotic before, he was a fuming lunatic now, Evelyn decided.”

Noun

▲

An extremely foolish or eccentric person

unsophisticated person

more ❯

“When you see a picture of some mud-spattered lunatic on a 4,000 mile ride through Africa, the lunatic tends to be sitting in a BMW.”

Adjective

▲

Not having a sound state of mind

flaky^UK

flakey^US

away with the fairies

not the full shilling

not quite right in the head

not right upstairs

not right in the head

as daft as a brush

flipped out

freaked out

have kangaroos in the top paddock

have bats in the belfry

not in your right mind

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 a screw loose

in a daze

manic-depressive

having kangaroos in the top paddock

two sandwiches short of a picnic

severely mentally disordered

gone fishing

overexcited

one sandwich short of a picnic

as mad as a March hare

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

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“His words had, for a moment, sounded like the hollow wind which issued from the lunatic mind of the criminal Anton Razin.”

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

devoid of intelligence

beyond the bounds of possibility

out of touch with reality

blue-sky

Promethean

without rhyme or reason

not pertinent

more ❯

“I do not believe that such a lunatic decision was taken unanimously.”

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Related Words and Phrases

lunacy

lunatics

lunacies

What is another word for lunatic?

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

Related Words and Phrases

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