1. SOMBER   barely enough   gloomy   cautious   occurring irregularly   Hint Half-n-half Clue   2. SURREPTITIOUS   shallow   stealthy   muddy or cloudy   overused   Half-n-half Clue   3. STEADFAST   shallow   not done before   unswerving   muddy or cloudy   Half-n-half Clue   4. SCANTY   not done before   inconspicuous   mocking   barely enough   Half-n-half Clue   5. SUPERFICIAL   shallow   stealthy   harsh and loud   thin and tattered with age   Half-n-half Clue   6. VOLUBLE   talkative and fluent   not done before   falsehood   wordy   Half-n-half Clue   7. SUSCEPTIBLE   capricious   easily affected   causing sleep   muddy or cloudy   Half-n-half Clue