alienado
alienated; estranged
adjective ah-lyeh-NAH-doh Rare
Origin: From Latin alienatus, 'made foreign'.
Also means
mentally deranged
Usage Note
Alienado can describe social estrangement ('feeling alienated from society') or, in older psychiatric usage, someone who has lost their sanity — hence the archaic term manicomio was once called casa de alienados. The reflexive verb alienarse means 'to become alienated'. The noun form is alienación.
Examples
"Se sentía alienado de su propia familia."
Natural Translation
He felt alienated from his own family.

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