make (someone) mentally unbalanced.
"the emergence of the GDA had nearly unhinged him"
synonyms: deranged, demented, unbalanced, unglued, crazed, mad, insane, disturbed, out of one's mind, out of one's tree; informal crazy, mental, nutso, bonkers, batty, loopy, loco, postal, bananas, touched; vulgar slang bat****
"he was completely unhinged just because we were leaving for the GDA"
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