1. ROBUST   ravenous   wary   weak   rancid   wanton   Hint Hint       2. RECALCITRANT   craven   uncommunicative   provident   cooperative   rash   Hint       3. GARRULOUS   laconic   outspoken   retrograde   spoken   explicit   Hint       4. PROPITIOUS   qualified   pungent   inchoate   pragmatic   inauspicious   Hint       5. RESTIVE   shy   calm   salubrious   restless   fretful   Hint       6. MELLIFLUOUS   impervious   viscous   raucous   sadistic   rancid   Hint       7. PSYCHOTIC   physical   sane   mundane   earthly   holy   Hint