Sane
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unintelligent, monomaniac, ape, unreasonable, schizoid, potty, monomaniacal, distracted, unstable, distraught, obsessed, bananas, oddball, insane, disordered, unsound, despondent, paranoiac, hysterical, obsessive-compulsive, touched, unbalanced, irrational, mixed-up, ballistic, unwise, odd, nuclear, strange, foolish, crazy, off, aberrant, gaga, pixilated, raving, unrealistic, delusional, fixated, neurotic, eccentric, depressed, senseless, stupid, delusionary.