The meaning of Lunatic

noun

A long-tailed, medium-sized bird, typically with a grey or brown back and barred or pale underparts. many cuckoos lay their eggs in the nests of small songbirds.

Usage examples:

It is an important wintering ground for european migratory birds such as the white stork, the lesse…

adjective

Mad; crazy.

Usage examples:

People think you're cuckoo

verb

Take over (the home of a vulnerable person) in order to establish a base for illegal drug dealing in the area.

Usage examples:

The frightened woman confided to her support worker that her flat had been cuckooed by a gang selli…

phrase

Be slightly eccentric or mentally disturbed.

Usage examples:

I think i must have a screw loose—i can't care about what might happen next

idiom

Infml to seem crazy

Usage examples:

Her brother definitely has a screw loose – i don't really trust him.

noun

Someone who enjoys listening to loud, energetic rock music

Usage examples:

You don't have to be a hardcore headbanger to like that kind of music., jagger introduced him as th…

noun

A silly or foolish person.

Usage examples:

If only she weren't such a lovesick loon

noun

A large diving waterbird with a sleek black or grey head, a straight pointed bill, and short legs set far back under the body; a diver.

Usage examples:

The first, innocuous shower stroked the lake's surface but, when the wind came up, the loons began …

verb

Act in a foolish or desultory way.

Usage examples:

He decided to loon around london

noun

A mad or silly person.

Usage examples:

She was working with a bunch of loonies

adjective

Mad or silly.

Usage examples:

Loony drivers

adjective

Foolish or crazy

Usage examples:

He has loony ideas.

abbreviation

Mare.

determiner

Short for my (representing the pronunciation used by lawyers in court to refer to or address the judge or a fellow barrister on the same side).

Usage examples:

M'learned friend

prefix

Denoting commercial activity conducted electronically by means of mobile phones.

Usage examples:

M-commerce

noun

A man who is mentally ill.

Usage examples:

We need to get away from the idea that the only people bound by demons are mentally deranged madmen.

noun

A man who is mentally ill, or who behaves in a way that seems strange, dangerous, or not controlled

noun

A woman who is mentally ill.

Usage examples:

The magic of his evocation of the feminine apart, his portrayal of the dependent daughter and siste…

noun

A woman who behaves in a very strange and uncontrolled or dangerous way

noun

A person exhibiting extremely wild or violent behaviour.

Usage examples:

When he sits in front of a playstation he transforms into a karate-choppin' maniac

combining form

Forming nouns corresponding to words ending in -mania.

Usage examples:

Kleptomaniac

noun

A person who has an unusually strong interest in an activity or subject

Usage examples:

My brother is a maniac when it comes to football., a homicidal maniac

noun

A fruit consisting of a hard or tough shell around an edible kernel.

Usage examples:

He was cracking nuts with his teeth

verb

Butt (someone) with one's head.

Usage examples:

I thought he was going to nut me in the face

abbreviation

(in the uk) national union of teachers.

noun

A mad or foolish person.

Usage examples:

Or in some cases, they were just complete borderline nutcases with sociopathic tendencies.

noun

Someone who behaves in an extremely silly way

Usage examples:

Only complete nutcases like myself swim in the sea in winter.

noun

A mad or eccentric person.

Usage examples:

No longer will they associate it with nutters, wackos and the irredeemably mad.

noun

An unstable and aggressive person.

Usage examples:

My ex is a total psycho

adjective

A psychopath.

combining form

Relating to the mind or psychology.

Usage examples:

Psychobabble

noun

A person suffering from chronic mental disorder with abnormal or violent social behaviour.

adjective

Relating to, denoting, or affected with a psychosis.

Usage examples:

A psychotic disturbance

noun

Relating to, denoting, or suffering from a psychosis.

Usage examples:

A psychotic disturbance

adjective

Suffering from psychosis (= severe mental illness)

Usage examples:

A psychotic disorder, his dislike of women bordered on the psychotic.

noun

A crazy or eccentric person.

Usage examples:

She was dating a real screwball

adjective

Crazy; absurd.

Usage examples:

What possessed you to ask a screwball question like that?