go off the deep end

go off the deep end
WordReference English Thesaurus © 2025

Sense: go to extremes, go too far, lose one's good sense, rant

Synonyms:

go to extremes, go too far, go overboard

Sense: have a breakdown, lose control, become irresponsible, become insane

Synonyms:

lose it, crack up

Recent forum discussions about thesaurus entries:

go off the deep end - English Only forum
go over the deep end [off] - English Only forum

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