1. OBSOLETE   modern   complete   pretentious   ruined   incomplete   Hint Half-n-half Clue   2. GNOME   giant   elf   wizard   extra-terrestrial   dwarf   Half-n-half Clue   3. IRKSOME   tireless   irritating   excessive   interesting   quirk   Half-n-half Clue   4. INVETERATE   inexperienced   professional   inverted   mercenary   veteran   Half-n-half Clue   5. OPULENCE   opaque   translucence   transparent   pestilence   poverty   Half-n-half Clue   6. OPTIMUM   involuntary   mumble   pessimism   least favorable   dichotomy   Half-n-half Clue   7. DECLIVITY   abatement   proclivity   upward slope   increasing activity   youth   Half-n-half Clue