1. HALCYON   brilliant   martial   glorious   puerile   shameful   Hint Half-n-half Clue   2. PENURIOUS   generous   invigorating   furious   injurious   captivated   Half-n-half Clue   3. HERETIC   believer   translator   ascetic   negotiator   saint   Half-n-half Clue   4. GUSTO   gloom   conspiracy   not stormy   prophecy   distaste   Half-n-half Clue   5. PERIGEE   mongrel   pure-bred   eclipsed   escapee   apogee   Half-n-half Clue   6. HAPLESS   fortunate   cheerful   clueless   brilliant   unlucky   Half-n-half Clue   7. PERNICIOUS   harmless   tangible   very dear   priceless   audacious   Half-n-half Clue