† insaniousadj.
Obsolete. rare.
Of or pertaining to madness.
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insanious1656
psychopathic1879
psycho1945
1656 S. Holland Don Zara iii. i. 137 Leaving our Champion in the most insanious extasie.
This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2019).
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adj.1656