The phrase "gives new look to" implies an improvement or enhance in the appearance of something. Antonyms for this phrase could include "degrades," "ruins," "damages," "defaces," "spoils," "scars," or "detracts from." Using these antonyms could indicate a negative change or impact on the appearance of something, rather than an improvement. These contrasting words highlight the importance of careful consideration when attempting to freshen up or modify the appearance of something - sometimes, altering an existing style may have unintended consequences.