1. rash or hasty.   nocturnal   precipitate   resilient   monochromatic   Hint Half-n-half Clue   2. stubborn or rebellious.   myopic   rarefied   ventral   refractory   Half-n-half Clue   3. inflexible or strict.   rigid   tertiary   soluble   resonant   Half-n-half Clue   4. pertaining to night.   viscous   nocturnal   repellent   sidereal   Half-n-half Clue   5. pertaining to the stars.   resilient   synchronous   sidereal   refractory   Half-n-half Clue   6. pertaining to the sense of touch.   refractory   spatial   tactile   vitreous   Half-n-half Clue   7. pertaining to theory; not practical or applied.   opaque   lateral   theoretical   schematic   Half-n-half Clue