Synonyms of madness in English:

madness


See definition of madness

noun

1‘today madness is called mental illness’

SYNONYMS
insanity, insaneness, dementia, mental illness, derangement, dementedness, instability, unsoundness of mind, lunacy, distraction, depression, mania, hysteria, frenzy, psychosis, psychopathy, schizophrenia, hydrophobia
informal craziness
North American informal meshugaas
Australian, New Zealand informal dingbats
rare moon-madness, cynanthropy, deliration, lycanthropy, zoanthropy
ANTONYMS

sanity

2‘it would be madness to do otherwise’

SYNONYMS
folly, foolishness, stupidity, insanity, lunacy, midsummer madness, foolhardiness, idiocy, imprudence, irrationality, unreasonableness, illogicality, senselessness, nonsense, nonsensicalness, absurdness, absurdity, silliness, inanity, ludicrousness, wildness, preposterousness
informal craziness
British informal daftness
ANTONYMS

common sense, good sense

3‘it's absolute madness in here’

SYNONYMS
bedlam, mayhem, chaos, pandemonium, babel, uproar, turmoil, wild disarray, disorder, hurly-burly
scene of confusion, madhouse, tumult, jumble, pell-mell, hullabaloo, hubbub, whirlwind, maelstrom, all hell broken loose
North American informal three-ring circus