Synonyms and Antonyms for Insane

Following is a list of 150 synonym words and phrases that are related to insane:

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3 Letter Words

madfeyill

4 Letter Words

batsdaftamoksickwildnutslocoboobfoolwackweakdumbdoin

5 Letter Words

crazybattyloonydottybarmykookywackyamuckbalmyloopybuggynuttycrazewackorabidgoofydopeysillymoronidiotfreakweirdhinkyfunnyadore

6 Letter Words

crazedscrewyravingmaniacfruitykookiemadmanpsycholooneylunacyfreakystupidwickedsicklyunwellabsurdretardtrippyunwisemortalunreal

7 Letter Words

bonkerslunaticidioticfoolishberserkunsoundtouchedcrackedhaywiremadnessnutcasefranticfuriousmoronicawesomeamazingsmittentwistedpatient

8 Letter Words

dementedderangedunhingedmaniacalunstableparanoiddemoniaccrackerscrackpotfrenzieddiseasedindecentaberrantnonsenserecklessstuck-upretardedmindlessdeliriumperversedisposed

9 Letter Words

brainsickdisturbedpsychoticpossessedcertifiedmaniclikedeliriousgrotesqueludicrousunhealthymisguidedpointlesssenselessillogicalalienated

10 Letter Words

moonstruckdistractedunbalanceddemoniacalraving madstir-crazyridiculousoutrageousdelusionalirrationalincrediblepsychopathimpossible

11 Letter Words

harebrainedhebephreniccertifiablehalf-crazedscrew-loosenonsensicalmeaningless

12 Letter Words

crackbrainedmentally illpsychopathicpreposterousunreasonableunbelievable

13 Letter Words

schizophrenicirresponsible

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.