1. OPTIMUM   pessimism   involuntary   least favorable   mumble   dichotomy   Hint Half-n-half Clue   2. INTERMITTENT   sporadic   obvious   hidden   violent   constant   Half-n-half Clue   3. KINDLE   handle   befuddle   dislike   sever   quench   Half-n-half Clue   4. JADED   rewarded   dull   stimulated   faded   scald   Half-n-half Clue   5. JAUNTY   boisterous   bounty   carefree   well-read   sedate   Half-n-half Clue   6. INVETERATE   inexperienced   mercenary   professional   veteran   inverted   Half-n-half Clue   7. LACHRYMOSE   servile   tearful   bellicose   cheering   morose   Half-n-half Clue