Synonyms of nutty in English:

nutty


See US English definition of nutty

See UK English definition of nutty

See Spanish definition of chiflado

adjective

1‘they're all as nutty as each other’

SYNONYMS
mad, insane, mentally ill, certifiable, deranged, demented, of unsound mind, out of one's mind, not in one's right mind, sick in the head, not together, crazy, crazed, lunatic, non compos mentis, unbalanced, unhinged, unstable, disturbed, distracted, stark mad, manic, frenzied, raving, distraught, frantic, hysterical, delirious, psychotic, psychopathic, mad as a hatter, mad as a March hare, foaming at the mouth
British sectionable
informal mental, off one's head, out of one's head, off one's nut, nuts, nutty as a fruitcake, off one's rocker, not right in the head, not quite right in the head, round the bend, stark raving mad, raving mad, bats, bonkers, cuckoo, cracked, loopy, loony, bananas, loco, dippy, screwy, schizoid, touched, gaga, off the wall, not all there, not right upstairs
British informal barmy, crackers, barking, barking mad, stark staring mad, batty, dotty, round the twist, off one's trolley, as daft as a brush, not the full shilling, up the pole, away with the fairies
North American informal buggy, nutsy, nutso
out of one's tree, meshuga, squirrelly, wacko
Canadian, Australian, New Zealand informal bushed
Australian informal yarra
New Zealand informal porangi
informal have a screw loose, have bats in one's belfry, have bats in the belfry
Australian informal have kangaroos in one's top paddock, have kangaroos in the top paddock
ANTONYMS

sane

2‘she confessed that she wasn't as nutty about Elvis as her husband’

SYNONYMS
very keen on, devoted to, infatuated with, in love with, smitten with, enamoured of, hot for
enthusiastic, passionate, impassioned, ardent
informal mad, crazy, nuts, wild, hooked on, gone on
British informal dotty, daft, potty
North American informal nutso
ANTONYMS

indifferent