Synonyms and Antonyms for Insane

Following is a list of 100 synonym words and phrases that are related to insane:

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3 Letter Words

madfey

4 Letter Words

batsdaftamoksickwildnutslocoboobfoolwack

5 Letter Words

crazybattyloonydottybarmykookywackyamuckbalmyloopybuggynuttycrazewackorabidgoofydopeysillymoronidiot

6 Letter Words

crazedscrewyravingmaniacfruitykookiemadmanpsycholooneylunacyfreakystupid

7 Letter Words

bonkerslunaticidioticfoolishberserkunsoundtouchedcrackedhaywiremadnessnutcasefranticfuriousmoronicawesome

8 Letter Words

dementedderangedunhingedmaniacalunstableparanoiddemoniaccrackerscrackpotfrenzied

9 Letter Words

brainsickdisturbedpsychoticpossessedcertifiedmaniclikedeliriousgrotesqueludicrous

10 Letter Words

moonstruckdistractedunbalanceddemoniacalraving madstir-crazyridiculousoutrageous

11 Letter Words

harebrainedhebephreniccertifiablehalf-crazedscrew-loose

12 Letter Words

crackbrainedmentally illpsychopathic

13 Letter Words

schizophrenic

15 Letter Words

of unsound mind

16 Letter Words

psychopathologicmanic-depressive

17 Letter Words

non compos mentis

18 Letter Words

psychopathological

Using this list of similar-meaning words, you can choose the best synonyms to replace insane in your sentences.

Additionally, you'll find antonyms included, perfect for when you need the complete opposite meaning of insane in your writing.