I. black ‧ list 1 /ˈblæklɪst/ BrE AmE verb [transitive]
to put a person, country, product etc on a blacklist:
Many people in the industry were blacklisted for their communist sympathies.
II. blacklist 2 BrE AmE noun [countable]
a list of people, countries, products etc that are disapproved of, and should therefore be avoided or punished:
Friends of the Earth have produced a blacklist of environmentally damaging products.