1. NOTORIOUS   intrepid   slack   rigorous   villain   reputed   Hint Half-n-half Clue   2. PRIM   secondary   ancient   modern   improper   factual   Half-n-half Clue   3. NIGGARDLY   wasteful   haggard   biased   awkwardly   haphazardly   Half-n-half Clue   4. NOCTURNAL   wild   alert   tame   diurnal   dangerous   Half-n-half Clue   5. OBDURATE   compliant   unpredictable   invincible   durable   weak   Half-n-half Clue   6. NOISOME   boorish   sweet-smelling   refined   quiet   boisterous   Half-n-half Clue   7. OBESE   cantankerous   handsome   cadaverous   skillful   overweight   Half-n-half Clue