mental unsoundness

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Noun1.mental unsoundness - a state of mental disturbance and disorientation
insanity - relatively permanent disorder of the mind
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
And there was no holding back from former REPUBLICAN senator Gordon Humphrey on Channel 4 News (Tuesday), who told us: "In my opinion, Donald Trump is mentally unbalanced; he is not a man of sound mind and he is utterly unqualified by virtue of mental unsoundness to be president.