1. serious   GOURMET   DEFECTION   JOCULAR   INTREPID   Hint Half-n-half Clue   2. interesting   OPULENCE   GNOME   IRKSOME   KINDLE   Half-n-half Clue   3. exhume   OSTENTATIOUS   LACKADAISICAL   INTER   OPTIMUM   Half-n-half Clue   4. inexperienced   KINDLE   PEJORATIVE   IRRELEVANT   INURED   Half-n-half Clue   5. not wise   LACKADAISICAL   OMNISCIENT   DEFALCATE   JUDICIOUS   Half-n-half Clue   6. ill-chosen   INTREPID   OBSTREPEROUS   INVETERATE   OPPORTUNE   Half-n-half Clue   7. silent   IRREPARABLE   OBSTREPEROUS   JUDICIOUS   JETTISON   Half-n-half Clue