(a.) Quite mad; -- raving crazy.

Pyrrhonic agnostic cagey cautious chary cynical disbelieving doubtful doubting dubious envious from Missouri green green with jealousy green-eyed hesitant hesitating horn-mad in doubt invidious jaundice-eyed jaundiced jealous leery mistrustful mistrusting nervous questioning sceptical scrupulous shy skeptical suspecting suspicious unbelieving uncertain uneasy unsure untrusting wary yellow yellow-eyed