Based on the clue 'antidisestablishmentarianism as per the oed is opp...', what is the answer?

Based on the clue 'antibiotics dont work against viruses they do work...', what is the answer? Based on the clue 'anticipating a joyous event you might be this with...', what is the answer? What is referred to by 'anticipation youre so vain'? Based on the clue 'anticlea gave birth to this hero of the odyssey ne...', what is the answer? Based on the clue 'antigens designated by these 2 letters determine b...', what is the answer? Based on the clue 'antigones complex family tree included this woman ...', what is the answer? What is referred to by 'antigua'? What is referred to by 'antigua and'?