1. anti as in antidote   across   prior to, before   below normal, lower   opposite, against   Hint Half-n-half Clue   2. macro as in macrocosm   earliest, first   large, long   in favour of, forward   both   Half-n-half Clue   3. dia as in diagonally   across   prior to, before   outside, beyond   below normal, lower   Half-n-half Clue   4. de as in decadence   excessively   below normal, lower   down   both   Half-n-half Clue   5. sym as in symbiotic   both   excessively   half, partly   with, together   Half-n-half Clue   6. dis as in disparate   excessively   below normal, lower   not   with, together   Half-n-half Clue   7. demi as in demigod   half, partly   earliest, first   opposite, against   near, around   Half-n-half Clue