1. not comprehensible   LOATH   PELLUCID   GUSTY   LETHARGIC   Hint Half-n-half Clue   2. homogeneous   HETEROGENEOUS   GRISLY   GULLIBLE   LAMPOON   Half-n-half Clue   3. cautious   PRECIPITATE   LANGUOR   LAMPOON   HAPLESS   Half-n-half Clue   4. not related   HAGGARD   PERT   PERTINENT   PERIPATETIC   Half-n-half Clue   5. detestation   LITHE   GRANDIOSE   PENCHANT   GRATUITOUS   Half-n-half Clue   6. purity   LECHERY   GREGARIOUS   HAGGARD   HACKNEYED   Half-n-half Clue   7. original   GUSTO   LIMPID   HACKNEYED   GRATUITOUS   Half-n-half Clue