madness
[noun]
Synonyms:
- insanity, aberration, craziness, delusion, dementia, derangement, distraction, lunacy, mania, mental illness, psychopathy, psychosis
- foolishness, absurdity, daftness (informal), folly, foolhardiness, idiocy, nonsense, preposterousness, wildness

[TahlilGaran] English Synonym Dictionary ▲

mad‧ness /ˈmædnəs, ˈmædnɪs/ noun [uncountable]

1. especially British English very stupid behaviour that could be dangerous or have a very bad effect
it is madness (for somebody) to do something
It would be madness to drive all that way on your own.
Cutting down the forest is sheer madness (=completely crazy).

2. serious mental illness Synonym : insanity:
His family has a history of madness.

3. moment/fit of madness when someone does something without thinking clearly:
In a moment of madness, I agreed to have the party at my house.
⇒ there’s method in/to sb’s madness at method(3)

[TahlilGaran] Dictionary of Contemporary English ▲

madness
noun
ADJ. absolute, pure, sheer, utter It's sheer madness to go sailing in weather like this.
PHRASES the first sign of madness They say that talking to yourself is the first sign of madness!
a moment of madness In a moment of madness, I said I'd help him.

[TahlilGaran] Collocations Dictionary ▲