1. talkative and fluent   TACTFUL   VOLATILE   VOLUBLE   SUPERFLUOUS   Hint Half-n-half Clue   2. bitterly hostile   VIRULENT   TACITURN   SCANTY   TANTAMOUNT   Half-n-half Clue   3. excessive   SUPERFLUOUS   TENTATIVE   TRITE   SUCCINCT   Half-n-half Clue   4. mocking   STOIC   SUBMISSIVE   SUCCINCT   SATIRICAL   Half-n-half Clue   5. cautious   UNWARRANTED   WHIMSICAL   WARY   VIABLE   Half-n-half Clue   6. not certain   SUSCEPTIBLE   TENTATIVE   TANTAMOUNT   SLUGGISH   Half-n-half Clue   7. equivalent   SUPERFLUOUS   SEDENTARY   TANTAMOUNT   TURGID   Half-n-half Clue