1. concise and expressive   PITHY   PRECARIOUS   PROLIFIC   PERFUNCTORY   Hint Half-n-half Clue   2. unwieldy   PRUDENT   PROFOUND   RHETORICAL   PONDEROUS   Half-n-half Clue   3. unimaginative   RESPLENDENT   PROSAIC   PRAGMATIC   PONDEROUS   Half-n-half Clue   4. inactive   PONDEROUS   RUTHLESS   PRODIGAL   QUIESCENT   Half-n-half Clue   5. sounding impressive   ROBUST   RESPLENDENT   PRAGMATIC   RHETORICAL   Half-n-half Clue   6. practical   PRAGMATIC   RESILIENT   PRECOCIOUS   PROFLIGATE   Half-n-half Clue   7. wealthy   OPULENT   RELEVANT   RESIGNED   PRETENTIOUS   Half-n-half Clue