1. FERVOR   hindrance   puzzle   intense feeling   decrease   Hint Half-n-half Clue   2. EUPHEMISM   puzzle   hindrance   person easily tricked   mild substitute for blunt expression   Half-n-half Clue   3. ELEGY   hard work   addition of details   sorrowful song   intense feeling   Half-n-half Clue   4. ENNUI   sorrowful song   hindrance   boredom   time during which thing lasts   Half-n-half Clue   5. ENERVATION   weakening   great difference   excessive enthusiasm   guile   Half-n-half Clue   6. DISINCLINATION   excessive enthusiasm   hard work   intense feeling   unwillingness   Half-n-half Clue   7. DISCREPANCY   sorrowful song   puzzle   difference   principle or beliefs   Half-n-half Clue