1. OBSTREPEROUS   porous   osteoporosis   silent   turbulent   noisy   Hint Half-n-half Clue   2. DELETERIOUS   punctual   delaying   shameful   time-consuming   harmless   Half-n-half Clue   3. INTER   enter   exhume   exterior   establish   exit   Half-n-half Clue   4. OPULENCE   transparent   translucence   poverty   pestilence   opaque   Half-n-half Clue   5. DECLIVITY   upward slope   proclivity   increasing activity   youth   abatement   Half-n-half Clue   6. OPIATE   distinctive   distress   tempestuous   stimulant   despair   Half-n-half Clue   7. INUNDATE   frighten   embolden   abuse   drain   strengthen   Half-n-half Clue