1. foolish   SAGACIOUS   RECALCITRANT   RUSTIC   RUEFUL   Hint Hint       2. pacific   RIFE   PUGNACIOUS   SAGACIOUS   PULCHRITUDE   Hint       3. pale   RUDDY   RUEFUL   PROTEAN   RUDIMENTARY   Hint       4. weak   ROTUNDITY   SAGACIOUS   PROVINCIAL   ROBUST   Hint       5. unchanging   PROTEAN   TACITURN   RUTHLESS   RESTIVE   Hint       6. lose   RUBBLE   MELLIFLUOUS   PUNCTILIOUS   SALVAGE   Hint       7. urban   SANGUINE   RUSTIC   SALUBRIOUS   PROTRACT   Hint