1. infinitely small or very tiny.   generic   implicit   infinitesimal   aseptic   Hint Half-n-half Clue   2. existing from birth.   congenital   congruent   incandescent   aseptic   Half-n-half Clue   3. pertaining to mental processes or knowing.   implicit   cognitive   contiguous   diffuse   Half-n-half Clue   4. capable of being drawn into wire or flexible.   incandescent   igneous   ductile   dyspeptic   Half-n-half Clue   5. periodic shedding (of leaves).   deciduous   hybrid   calorific   eugenic   Half-n-half Clue   6. next to or adjoining.   caustic   determinate   impenetrable   contiguous   Half-n-half Clue   7. cold like ice.   brittle   glacial   diffuse   ductile   Half-n-half Clue