1. dynamic   improving race by selective breeding.   cross-bred or mongrel.   practicable or possible.   of motive force or energetic.   Hint Half-n-half Clue   2. inverse   opposite or inverted in relation or order.   produced by fire or volcanic action.   tending to a center.   cold like ice.   Half-n-half Clue   3. implicit   that corrodes or burns; biting or sarcastic.   implied but not expressed.   next to or adjoining.   having indigestion.   Half-n-half Clue   4. abrasive   having human form or personality.   grinding down or rubbing off.   spread around like a gas; verbose.   not able to penetrate or understand.   Half-n-half Clue   5. cosmic   basic or essential.   of the universe; very large.   related to embryo or undeveloped.   having cilia or minute hairs.   Half-n-half Clue   6. dorsal   pertaining to the back (of an animal).   imbalanced or not similar about dividing line.   shaped like an oval; ambiguous or baffling.   of the day or daily.   Half-n-half Clue   7. concave   flying or radiating from a center.   not conventional.   of interior curvature or hollow.   having common center.   Half-n-half Clue