screwball(PERSON)mainly USinformal
SMART Vocabulary: related words and phrases Stupid and silly people
airhead
berk
birdbrain
blithering idiot
blockhead
dumb-ass
dummy
dunce
dunderhead
eejit
mutt
need
need your head examinedidiom
nimrod
nincompoop
simpleton
stupid
thicko
tosser
troglodyte
crackpot
adjective
informaluk /ˈkræk.pɒt/ us /ˈkræk.pɑːt/
relating to a person or an idea that is silly or stupid:
crackpot ideas
This sounds like another crackpot conspiracy theory to me.
Synonymscrewballmainly US
One of his crackpot notions was that the world was hollow.
We have been conditioned to think of him as a kind of crackpot dictator.
This is a crackpot scheme, ludicrously expensive, and unworkable.
SMART Vocabulary: related words and phrases
Stupid and silly
absurd
absurdity
absurdly
adolescent
against your better judgmentidiom
dopily
dorky
dottiness
dotty
dozily
in his/her/their wisdomidiom
in someone's infinite wisdomidiom
inadvisable
injudicious
injudiciously
uncritical
uncritically
undiscriminating
unintelligent
unperceptive
crackpot | American Dictionary
crackpot
noun[ C ]
infmlus/ˈkrækˌpɑt/
a crazy or strange person:
They obviously think we’re a bunch of crackpots.