lunatic
WordReference English Thesaurus © 2025
Sense: Insane
Synonyms:
demented, deranged, psychotic, insane Collocations, mental Collocations, crazy Collocations, unhinged, unbalanced, barking
Sense: Foolish
Synonyms:
irrational, idiotic, daft Collocations, stupid Collocations, mental Collocations, barmy, crazy Collocations, barking
Synonyms:
maniac, insane person, madman, crazy Collocations, dement, loon, loony, nut Collocations, nutter, psycho, wacko