A really fast thesaurus... with lots of synonyms.
Insane has 149 synonyms. The top synonyms for insane are mentally deficient, deprived of reason, stark-staring mad, non compos mentis, overenthusiastic, bereft of reason, of unsound mind, scatterbrained and 141 more. Another word for insane is mentally deficient. Browse the full list below.
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| Random | DefinitionA common synonym for insane is mentally deficient. Other synonyms include deprived of reason, stark-staring mad, non compos mentis, overenthusiastic.
Insane has 149 synonyms listed on Thesaurasize.
(adj): exhibiting unsoundness or disorded of mind; not sane; mad; deranged in mind; delirious; distracted; used by, or appropriated to, insane persons; as, an insane hospital
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