1. without   inter as in intervene   an as in anarchic   meta as in metamorphosis   contra as in contravene   Hint Half-n-half Clue   2. away from   co as in coalesce   an as in anarchic   under as in undercurrent   abs as in abscond   Half-n-half Clue   3. within   inter as in intervene   intro as in introspect   mega as in megalith   ultra as in ultrasonic   Half-n-half Clue   4. below   non as in nonentity   mega as in megalith   under as in undercurrent   ultra as in ultrasonic   Half-n-half Clue   5. against   contra as in contravene   poly as in polyglot   non as in nonentity   mono as in monotheism   Half-n-half Clue   6. two, twice   inter as in intervene   co as in coalesce   bi as in bipartite   meta as in metamorphosis   Half-n-half Clue   7. with, joint   an as in anarchic   mono as in monotheism   co as in coalesce   meta as in metamorphosis   Half-n-half Clue