From Longman Dictionary of Contemporary Englishkillingkill‧ing /ˈkɪlɪŋ/ ●●○ noun [countable] 1 KILLthe act of killing someone deliberately SYN murder a series of gangland killings They murdered fifteen boys in a killing spree (=an occasion when someone murders many people in a short period of time) across southern California.2 → make a killing
Examples from the Corpus
killing• Perry said Taylor approached him and asked him to carry out a contract killing on Johnson.• a gang-related killing• The defendant claimed that he was only avenging the killing of his brother.• A terrorist group has claimed responsibility for the killing.From Longman Business Dictionarykillingkil‧ling /ˈkɪlɪŋ/ noun COMMERCE make a killing informal to make a lot of money in a very short timeHe made a killing on the stock market. 