nutcase
noun
nut·case ˈnət-ˌkās 
: nut sense 6a
Synonyms
- bug
- crackbrain
- crazy
- fool
- fruitcake
- head case
- loon
- loony
- lunatic
- maniac
- nut
- nutter [British slang]
- psycho
- psychopath
- sickie
- sicko
- wacko
- whacko
See all Synonyms & Antonyms 
Example Sentences
some nutcase was arrested for running out onto the baseball field while the game was in progress around the condo complex she's known as the nutcase who consistently ignores the rules
Recent Examples on the Web That is enough to prompt scheduling a video chat with a purported demonologist (Laura Heisler) who does not seem a nutcase or charlatan. 
Dennis Harvey, Variety, 10 Aug. 2022 Video testimony provided other repudiations of Eastman’s nutcase legal theory. Walter Shapiro, The New Republic, 17 June 2022 The Trump factor alone suggests that the odds are high Republicans will nominate some nutcase candidates in winnable races who make Marjorie Taylor Greene seem like a moderate. Walter Shapiro, The New Republic, 1 Mar. 2022 That’s the date when nutcase Congressman Paul Gosar posted that hideous tweet about Alexandria Ocasio-Cortez. Michael Tomasky, The New Republic, 15 Nov. 2021 This sole non-English-language chapter is an immediately over-the-top mad scientist fantasia, with Budi Ross as a cackling nutcase in scrubs whose unfortunate subjects (there are many) get subjected to the most diabolical surgical procedures. Dennis Harvey, Variety, 6 Oct. 2021 When Gwyneth Paltrow tells her followers to stay away from nightshade vegetables and promotes juice cleanses, she’s considered a nutcase. Alex Kuczynski, Harper's BAZAAR, 17 Aug. 2019 In fact, chances are your local paper is owned by either asset-stripping private equity vampires, or some local right-wing millionaire nutcase. Alex Pareene, The New Republic, 9 Aug. 2019 Patrick Varone, who hosts the web show Shot Topics, considers this fight the moment Pump went from just another reality show to Bravo’s nutcase juggernaut. Danny Murphy, Marie Claire, 3 Dec. 2018 See More
Dennis Harvey, Variety, 10 Aug. 2022 Video testimony provided other repudiations of Eastman’s nutcase legal theory. Walter Shapiro, The New Republic, 17 June 2022 The Trump factor alone suggests that the odds are high Republicans will nominate some nutcase candidates in winnable races who make Marjorie Taylor Greene seem like a moderate. Walter Shapiro, The New Republic, 1 Mar. 2022 That’s the date when nutcase Congressman Paul Gosar posted that hideous tweet about Alexandria Ocasio-Cortez. Michael Tomasky, The New Republic, 15 Nov. 2021 This sole non-English-language chapter is an immediately over-the-top mad scientist fantasia, with Budi Ross as a cackling nutcase in scrubs whose unfortunate subjects (there are many) get subjected to the most diabolical surgical procedures. Dennis Harvey, Variety, 6 Oct. 2021 When Gwyneth Paltrow tells her followers to stay away from nightshade vegetables and promotes juice cleanses, she’s considered a nutcase. Alex Kuczynski, Harper's BAZAAR, 17 Aug. 2019 In fact, chances are your local paper is owned by either asset-stripping private equity vampires, or some local right-wing millionaire nutcase. Alex Pareene, The New Republic, 9 Aug. 2019 Patrick Varone, who hosts the web show Shot Topics, considers this fight the moment Pump went from just another reality show to Bravo’s nutcase juggernaut. Danny Murphy, Marie Claire, 3 Dec. 2018 See More Word History
First Known Use
1959, in the meaning defined above
nutcase
noun
1
as in lunatic
a person having or showing a severely disordered or abnormal state of mind some nutcase was arrested for running out onto the baseball field while the game was in progress Synonyms & Similar Words
Relevance
- lunatic
- psychopath
- maniac
- fool
- psycho
- wacko
- loony
- nutter
- schizo
- crazy
- loon
- whacko
- sicko
- bug
- psychotic
- fruitcake
- madman
- nut
- paranoid
- madwoman
- crackbrain
- head case
- sickie
- kook
- schizophrenic
- sociopath
- crackpot
- neurotic
- abnormal
- weirdo
- monomaniac
- obsessive
- character
- patient
- schizoid
- deviant
- crack
- eccentric
- psychoneurotic
- oddball
- screwball
- manic-depressive
- codger
- flake
- fantastic
- zany
- mythomaniac
- case
- obsessive-compulsive
- original
- crank
- schizophrene
- tyke
- oddity
- quiz
- tike
2
as in eccentric
a person of odd or whimsical habits around the condo complex she's known as the nutcase who consistently ignores the rules Synonyms & Similar Words
- eccentric
- kook
- character
- crackpot
- weirdo
- nutter
- nut
- original
- oddball
- fruitcake
- screwball
- freak
- crank
- maverick
- flake
- codger
- zany
- odd duck
- bohemian
- crackbrain
- oddity
- rarity
- head case
- quiz
- crack
- piece of work
- geezer
- nonconformist
- quixote
- coot
- curio
- fantast
- fantastico
Antonyms & Near Antonyms
- sheep
- follower
- conformist
- conformer
3
as in fool
a person who lacks good sense or judgment only a nutcase would try to accelerate a campfire by dousing it with gasoline Synonyms & Similar Words
- lunatic
- fool
- idiot
- moron
- goose
- nut
- dingbat
- jackass
- cuckoo
- doofus
- nitwit
- ninny
- simpleton
- loser
- nincompoop
- turkey
- monkey
- booby
- half-wit
- charlie
- berk
- madman
- simp
- mooncalf
- daredevil
- dipstick
- git
- nit
- ninnyhammer
- imbecile
- ding-a-ling
- dummy
- madwoman
- knucklehead
- dolt
- ding-dong
- donkey
- charley
- ignoramus
- featherhead
- yo-yo
- kook
- crackpot
- weirdo
- airhead
- goon
- dunce
- pinhead
- dork
- numbskull
- blockhead
- numskull
- scatterbrain
- character
- schnook
- dope
- know-nothing
- fathead
- chump
- gander
- schlump
- oddball
- birdbrain
- dupe
- laughingstock
- schlub
- screwball
- dumbbell
- dodo
- shlub
- crank
- schlemiel
- codger
- butt
- stock
- mockery
- featherbrain
- shlemiel
- crackbrain
Antonyms & Near Antonyms
- genius
- thinker
- sage
- brain
- live on the edge
- live on the fat of the land
- live on the street
- live on the street(s)
- live on the streets
- live one's own life
- live out
- live out (something)
- live out something
- live parking
- live paycheck to paycheck
- live steam
- live storage
- live stream
- live streamed
- live streaming
- live streams
- live the good life
- live through
- live to regret
- live to regret (something)
- live to regret something
- live to see the day
- live together
- live under a rock