What is referred to by 'a close friend'?

What is referred to by 'a clockwork orange'? Based on the clue 'a clodius parnassian is one of these beautiful ins...', what is the answer? Based on the clue 'a close encounter of this degree involves actual c...', what is the answer? Based on the clue 'a close fitting often strapless bodice', what is the answer? Based on the clue 'a close relative of the wild goat this egyptian ma...', what is the answer? Based on the clue 'a close shave means you made it out by the skin of...', what is the answer? Based on the clue 'a closed fracture is also called a simple fracture...', what is the answer? Based on the clue 'a closed one catches no flies', what is the answer?