1. not related   LIMPID   PRECIPITATE   PERTINENT   PERNICIOUS   Hint Half-n-half Clue   2. vagueness   PERTINACIOUS   GUSTY   PERSPICUITY   PERMEABLE   Half-n-half Clue   3. inclined   LETHARGIC   PENURIOUS   HAGGARD   LOATH   Half-n-half Clue   4. cautious   PRECIPITATE   PERMEABLE   LATENT   PENCHANT   Half-n-half Clue   5. polite   LIVID   PERT   HAPLESS   PERIPATETIC   Half-n-half Clue   6. stiff   LITHE   GRISLY   LATENT   PERIGEE   Half-n-half Clue   7. strict   HAGGARD   GREGARIOUS   LAX   GRISLY   Half-n-half Clue