The phrase "leading killer" refers to something that causes the most deaths or takes the most lives.
Sentences with «leading killer»
Heart disease and stroke are usually leading killers of women and men, so this benefit is of greatest importance. (healthy4lifeonline.com)
Like other leading killers — especially heart disease and high blood pressure — type 2 diabetes may be an unfortunate consequence of dietary choices. (nutritionfacts.org)
It makes no sense that we allow people to use drugs like alcohol and tobacco... THE two leading killers in america.... (nystateofpolitics.com)