1. sub as in subside   earliest, first   away from   under, less   across   Hint Half-n-half Clue   2. ante as in antedate   earliest, first   prior to, before   many   with, together   Half-n-half Clue   3. macro as in macrocosm   large, long   both   not   prior to, before   Half-n-half Clue   4. anti as in antidote   bad, faulty   earliest, first   down   opposite, against   Half-n-half Clue   5. ambi as in ambivalence   both   with, together   below normal, lower   across   Half-n-half Clue   6. multi as in multifarious   across   excessively   in favour of, forward   many   Half-n-half Clue   7. de as in decadence   prior to, before   outside, beyond   down   near, around   Half-n-half Clue