nutso

Meaning

Adj

1. (colloquial) Crazy, insane.
2. (colloquial) Fraught or out of control.
3. (colloquial) Obsessed; overly enthusiastic.
4. (colloquial) Ridiculous; unbelievable or silly.

Noun

1. (colloquial) A crazy person; a crackpot or lunatic.
2. (colloquial) Craziness; insanity.

Adv

1. (colloquial) Madly; extremely or obsessively.
2. (colloquial) In a crazy manner.

Synonyms

around the bend

bats

daft

deranged

loony

mad

maniacal

non compos mentis

one brick short of a full load

over the edge

potty

doolally

meshuggener

off one’s chump

off one’s nut

out of one’s mind

bughouse

nuts

off one’s rocker

off one’s trolley

meshugge

off one’s rocket

reality challenged

nutzoid

Pronounced as (IPA)

/ˈnʌ.t͡soʊ/

Etymology

From nuts + -o.