1. multi as in multifarious   out   bad, faulty   many   near, around   Hint Half-n-half Clue   2. ex as in exculpate   out   below normal, lower   under, less   not   Half-n-half Clue   3. de as in decadence   down   out   in favour of, forward   not   Half-n-half Clue   4. dia as in diagonally   with, together   opposite, against   across   excessively   Half-n-half Clue   5. dis as in disparate   half, partly   not   excessively   both   Half-n-half Clue   6. ante as in antedate   under, less   earliest, first   bad, faulty   prior to, before   Half-n-half Clue   7. ambi as in ambivalence   bad, faulty   both   opposite, against   large, long   Half-n-half Clue