1. stellar   pertaining to the lungs.   (of gas or air) of less density.   haphazard or without definite pattern.   pertaining to the stars.   Hint Half-n-half Clue   2. serrated   with a saw-toothed edge.   having the nature of wood.   pertaining to the body or physical.   pertaining to heat.   Half-n-half Clue   3. stratified   motionless or unchanging.   pertaining to seed or semen; germinal.   capable of being shaped by hammering or pliable.   formed into layers or divided into classes.   Half-n-half Clue   4. repellent   unnecessarily repetitious.   artificial or produced by synthesis.   unattractive or repulsive.   iridescent or displaying rainbow-like colors.   Half-n-half Clue   5. tensile   muddy or not clear.   pertaining to tension; capable of being stretched.   pertaining to night.   rash or hasty.   Half-n-half Clue   6. lateral   partly transparent or allowing some light to pass.   stubborn or rebellious.   muddy or not clear.   of or from the side.   Half-n-half Clue   7. optimum   with only one color.   pertaining to a semi-fluid sticky consistency.   permeable or having pores.   best or most favorable.   Half-n-half Clue