1. quarrelsome   ANONYMOUS   CARPING   CONTENTIOUS   ARABLE   Hint Half-n-half Clue   2. hard-working   ANONYMOUS   AUTHORITARIAN   AMORPHOUS   ASSIDUOUS   Half-n-half Clue   3. suffering from disease   ARCHAIC   BLIGHTED   ALTRUISTIC   ANONYMOUS   Half-n-half Clue   4. out-of-date   ALTRUISTIC   AMICABLE   CENSORIOUS   ANACHRONISTIC   Half-n-half Clue   5. artistic   ANACHRONISTIC   BLEAK   AESTHETIC   CARPING   Half-n-half Clue   6. unclear   AMBIGUOUS   BLIGHTED   AUTHORITARIAN   CIRCUITOUS   Half-n-half Clue   7. self-governing   APOCRYPHAL   ABSTEMIOUS   AUTONOMOUS   ANALOGOUS   Half-n-half Clue