1. confirmed or recurring as a disease.   chronic   ebullient   biennial   eccentric   Hint Half-n-half Clue   2. uncertain or not fixed   eugenic   combustible   contiguous   indeterminate   Half-n-half Clue   3. not concentric or odd.   carcinogenic   analgesic   derivative   eccentric   Half-n-half Clue   4. basic or essential.   implicit   biennial   diffuse   fundamental   Half-n-half Clue   5. having cilia or minute hairs.   eugenic   analgesic   ciliated   aseptic   Half-n-half Clue   6. concerned with nutrition.   immune   alimentary   anthropomorphic   astronomical   Half-n-half Clue   7. pertaining to the stars or spiritual.   astral   convex   chronic   incandescent   Half-n-half Clue