1. UNPRECEDENTED   static   meek   shallow   not done before   Hint Half-n-half Clue   2. TANTAMOUNT   not certain   appetizing   harsh and loud   equivalent   Half-n-half Clue   3. TACITURN   overused   of lesser rank   mocking   saying very little   Half-n-half Clue   4. SUPERFICIAL   causing sleep   shallow   holding fast   inconspicuous   Half-n-half Clue   5. SOPORIFIC   conscientious   causing sleep   talkative and fluent   bitterly hostile   Half-n-half Clue   6. TACTFUL   saying very little   bitterly hostile   diplomatic   inconspicuous   Half-n-half Clue   7. SEDENTARY   seated   submissive   easily affected   shallow   Half-n-half Clue