1. bitter   ACCESSIBLE   ACRID   ABSTRUSE   CONTENTIOUS   Hint Half-n-half Clue   2. provisional   CONDITIONAL   CIRCUITOUS   AUDACIOUS   ALOOF   Half-n-half Clue   3. shrewd   ACCESSIBLE   ASTUTE   BLIGHTED   ABSTRACT   Half-n-half Clue   4. comparable   ANONYMOUS   ANALOGOUS   ABSTEMIOUS   COMPLEMENTARY   Half-n-half Clue   5. hard-working   ANONYMOUS   ASSIDUOUS   AESTHETIC   COMPLEMENTARY   Half-n-half Clue   6. ascetic   ARCHAIC   AUSTERE   CONCILIATORY   AUDACIOUS   Half-n-half Clue   7. commonplace   BANAL   ACCESSIBLE   COMPLEMENTARY   CONDITIONAL   Half-n-half Clue