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mad

mad

45 3.3
Very foolish and not sensible
  • adjective
  • /mæd/
  • Informal
: descabellado
  • The project was a mad venture that ended up costing more than anyone expected.

That was such a mad assumption, by the way.

Examples

  • Until all those sweet, mad ideas built up enough to set him off again.

    Fiction book (1991)
  • More recently, scientists in film have become less mad but no less dangerous.

    Academic text (1995)
  • I must be mad to even consider this.

  • And before long you find that you are throwing mad money after good.

  • I went on this mad "I want a baby" quest.

  • And tell me about some of the mad countries you've been to and why.

  • Some of the townspeople panic and scapegoat the mad real estate agent.

    Academic text (1993)
  • I know it’s mad to even think about it... but if anyone could make a go of it... it’d be you.

  • I think you're mad.

  • He had a mad idea that we could solve the world's problems overnight.

Synonyms

insane
vsmad
  • Offensive
265 4.1

Very foolish and risky because of bad judgment

is milder and refers to wild impracticality rather than extreme unreason
nutty
vsmad
  • Informal
64 7.2

Being a little crazy in a funny or strange way

denotes very foolish or wildly impractical ideas or actions
harebrained
vsmad
  • Informal
9 8.5

An idea or plan that is very foolish and not well thought out

is more about wild impracticality and general lack of sense
meshugana
vsmad
  • Offensive
1 9.9

Very silly or clearly crazy

is a neutral description for very foolish ideas or actions

Antonyms

347 3.8

Based on clear thinking and facts rather than emotion

185 2.7

Showing good judgment and making practical choices

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 Foolish

absurd
284 4.4
mad
  • Informal
45 3.3
foolish
383 1.3
ill-advised
22 5.4
misguided
109 4.6

Surface Forms

mad positive
madder comparative
maddest superlative

Etymology

Mad for a 'foolish' idea comes from its older sense 'not in the mind' or 'crazy'. A 'mad' plan is one that seems 'not sensible' or too wild, which is why it means 'very foolish'.