1. NOISOME   quiet   refined   boisterous   sweet-smelling   boorish   Hint Half-n-half Clue   2. NEBULOUS   basic   intelligible   cloudy   acrimonious   vile   Half-n-half Clue   3. OBESE   overweight   cantankerous   cadaverous   skillful   handsome   Half-n-half Clue   4. NEGATION   allegation   irritation   affirmation   aggregation   obligation   Half-n-half Clue   5. PROPINQUITY   reliability   remoteness   sobriety   quirk   steadiness   Half-n-half Clue   6. HIBERNAL   soporific   related to summer   awake   additional   highly active   Half-n-half Clue   7. HORTATORY   inquisitive   dissuading   passionate orator   cautious   irrational   Half-n-half Clue