1. unnecessarily repetitious.   rigid   malleable   negligible   tautological   Hint Half-n-half Clue   2. formed into layers or divided into classes.   omnivorous   stratified   viscid   schematic   Half-n-half Clue   3. pertaining to the abdomen.   vitreous   tautological   ventral   oblique   Half-n-half Clue   4. stubborn or rebellious.   schematic   terrestrial   pulmonary   refractory   Half-n-half Clue   5. pertaining to the lungs.   pulmonary   stagnant   iridescent   vitreous   Half-n-half Clue   6. pertaining to earthquakes.   seismic   lateral   resonant   luminous   Half-n-half Clue   7. capable of being shaped by hammering or pliable.   seminal   kinetic   resonant   malleable   Half-n-half Clue