Dictionary
noun : KILLER
Source:WordNet 3.1
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2. (
) the causal agent resulting in death; "heart disease is the biggest killer in the United States" ;
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3. (
) a difficulty that is hard to deal with; "that exam was a real killer" ;
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4. (
) predatory black-and-white toothed whale with large dorsal fin; common in cold seas ;
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