1. prim as in primordial   across   half, partly   not   earliest, first   Hint Half-n-half Clue   2. anti as in antidote   both   across   out   opposite, against   Half-n-half Clue   3. peri as in peripatetic   earliest, first   not   outside, beyond   near, around   Half-n-half Clue   4. extra as in extrapolate   many   near, around   large, long   outside, beyond   Half-n-half Clue   5. pro as in propitiate   in favour of, forward   excessively   half, partly   prior to, before   Half-n-half Clue   6. ambi as in ambivalence   with, together   opposite, against   both   earliest, first   Half-n-half Clue   7. hyper as in hyperbole   bad, faulty   across   excessively   opposite, against   Half-n-half Clue