1. homogeneous   herb-eating or vegetarian.   of same kind or uniform.   pertaining to mental processes or knowing.   not conventional.   Hint Half-n-half Clue   2. brittle   uncertain or not fixed   breakable or fragile.   shapeless or lacking definition.   of the universe; very large.   Half-n-half Clue   3. empirical   based on experiment, not theory.   produced by fire or volcanic action.   opposite or inverted in relation or order.   characteristic of a genus; not specific.   Half-n-half Clue   4. inevitable   sealed by fusion to be air-tight.   unavoidable or bound to occur.   of motive force or energetic.   shaped like an oval; ambiguous or baffling.   Half-n-half Clue   5. ciliated   sealed by fusion to be air-tight.   having common center.   implied but not expressed.   having cilia or minute hairs.   Half-n-half Clue   6. graduated   pertaining to the brain.   shapeless or lacking definition.   arranged in gradations (e.g., of difficulty).   can float; light or cheerful.   Half-n-half Clue   7. diffuse   next to or adjoining.   implied but not expressed.   inferred by reasoning; derived as conclusions.   spread around like a gas; verbose.   Half-n-half Clue