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mad

mad

215 4.8
A serious problem with the mind that changes thinking and behaviour
  • adjective
  • /mæd/
  • Slur
: loco
  • And when it happens to you, you won't be driven mad by the shock.
  • go mad
  • raving mad
  • completely mad

Oh, but he's going mad as he says.

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Examples

  • "I think I'd go mad without you." Brian kept his family closer during the next weeks.

    Fiction book (1990)
  • Frankly, I think you're all quite mad.

  • The world had gone mad.

  • For nearly a whole day, the mad man stayed in that guard house.

    Academic text (1997)
  • Feels like I'm going mad, Teddy.

  • If that man is not mad, he's a spy.

  • Don Quixote goes mad because he reads too much literature.

  • Of the 30 men we sent, only one, a Captain Eckert, has survived, and he's apparently gone mad.

  • To this day, chilling tales are told of the mad maid who still haunts this house.

  • The patient was declared mad after he exhibited bizarre behavior for several months.

Synonyms

crazy
vsmad
  • Offensive
∞ 4.1

Mentally ill and unable to think or behave in a normal way

is the same idea expressed in the original simple clinical sense
mental
vsmad
  • Specialized
690 3.7

Relating to illnesses of the mind, such as depression

is the clinical label for a serious diagnosable illness
nuts
vsmad
  • Offensive
578 8.6

Very crazy or doing things that show bad judgment

is the clinical phrase used in medical or formal descriptions
psychotic
vsmad
  • Specialized
151 8.4

Not in touch with reality and may see or hear things that are not there

is a broader label for serious mental illness not only reality loss
disturbed
vsmad
138 3.8

Feeling upset or worried and unable to think clearly

refers to a more severe diagnosable mental illness rather than general trouble
crazed
vsmad
89 5.0

Acting in a wild and uncontrolled way

refers more generally to the illness rather than the loud behaviour
mentally ill
vsmad
  • Vulgar
87 3.4

Having a serious problem with thinking, feeling, or behaving because of a brain condition

is the shorter general description for the same severe mind illness
deranged
vsmad
  • Offensive
72 7.6

Not able to think or act in a normal, reasonable way

is the same clinical idea but stated in more neutral terms
nutty
vsmad
  • Informal
64 7.2

Being a little crazy in a funny or strange way

denotes a serious mental disorder rather than mild eccentric behaviour
bonkers
vsmad
  • Informal
28 8.0

Acting or feeling very strange

is the formal clinical description rather than casual slang
unhinged
vsmad
  • Offensive
27 7.8

A person who is not thinking or acting in a normal and safe way

covers that loss of balance but in the general serious illness sense
maniacal
vsmad
16 8.6

Very wild and out of control, seeming crazy

focuses on the diagnosed disorder rather than only energetic or violent action
unbalanced
vsmad
13 5.7

A person who is not mentally well and often acts strangely

is the more clinical term focusing on diagnosed serious illness
raving mad
vsmad
  • Informal
7 7.2

Acting or speaking in a wild, not sensible way

is about the underlying severe illness rather than only extreme behaviour
cracked
vsmad
  • Offensive
7 7.4

Someone who acts a little crazy

refers to a more severe diagnosable mental disturbance rather than mild eccentricity
2 9.8

Acting or feeling very silly and not thinking clearly, often as a joke

is the clinical serious illness description not meant as a joke
half-crazed
vsmad
2 7.8

Very frightened or upset and not thinking clearly

names the full serious mental illness rather than a partial state
brainsick
vsmad
  • Offensive
1 9.9

Being very ill in the mind and not thinking clearly

is the current clinical phrasing for the same serious mind condition
off one's nut
vsmad
  • Offensive
9.9

Acting in a very strange and not sensible way

labels the underlying serious mental illness rather than casual behaviour

Antonyms

130 3.2

Having a healthy mind and able to think clearly

Idioms

like mad
  • Informal
13 8.1

Act very quickly and with great effort

raving mad
  • Informal
7 7.2

Acting or speaking in a wild, not sensible way

3 3.5

Very excited about someone or something you like a lot

mad as a wet hen
  • Informal
1 9.8

Very angry or upset

boiling mad
  • Informal
1 4.8

Feeling very angry

1 9.9

Very angry and acting without thinking

1 9.9

Very chaotic and dangerous like scenes from the Mad Max films

Very excited and unable to stay calm

mad as a cut snake
  • Australian
1 9.9

Feeling extremely angry and acting wildly

1 9.9

Very angry and ready to do something extreme

rip-snorting mad
  • Informal
1 9.5

Being very angry and hard to calm

9.1

Very angry and ready to attack

9.9

Very angry and unable to stay calm

mad as hops
  • Archaic
9.9

Feeling very angry and showing it

To stop being angry and be happy again without changing anything

Compounds

mad dog
  • Offensive
21 7.9

A person who acts violently and without control

mad cow disease
  • Specialized
19 3.8

A deadly disease of cows that damages the brain and can make people sick if they eat the meat

3 6.7

A small amount of money kept for treats or unplanned fun

mad apple
  • Archaic
1 9.9

A large purple vegetable with shiny skin that you cook and eat

1 9.9

A North American herb of the mint family once used to treat seizures and nervous problems

9.9

A very messy, confused mix of things in one place

mad-dog weed
  • Archaic
9.9

An American mint plant that makes a sticky substance once used to ease muscle spasms

How Insane

psychotic
  • Specialized
151 8.4
mad
  • Slur
215 4.8
mentally ill
  • Vulgar
87 3.4
disturbed
138 3.8
sane
130 3.2

Surface Forms

mad positive
madder comparative
maddest superlative

Etymology

Mad originally meant 'mentally ill' or 'insane' in older English. That's why we still use it when someone has a serious loss of control or behaves in a way that seems 'not right' in their mind.