1. diverse or mixed.   homogeneous   heterogenous   fundamental   eccentric   Hint Half-n-half Clue   2. confirmed or recurring as a disease.   ductile   inductive   derivative   chronic   Half-n-half Clue   3. wearing away (by chemicals).   inert   corrosive   impervious   centripetal   Half-n-half Clue   4. of motive force or energetic.   dynamic   immune   corrosive   ebullient   Half-n-half Clue   5. corresponding or in harmony.   abstract   infinitesimal   asymmetric   congruent   Half-n-half Clue   6. of the universe; very large.   cosmic   infinitesimal   incandescent   combustible   Half-n-half Clue   7. impenetrable or unpassable.   elliptical   glacial   inert   impervious   Half-n-half Clue