KILLER

• (noun) predatory black-and-white toothed whale with large dorsal fin; common in cold seas

  synonyms : grampus , killer whale , orca , orcinus orca , sea wolf

• (noun) a difficulty that is hard to deal with

  "that exam was a real killer"

• (noun) someone who causes the death of a person or animal

  synonyms : slayer

• (noun) the causal agent resulting in death

  "heart disease is the biggest killer in the United States"

  synonyms : cause of death

WordNet® 3.0, © 2006 by Princeton University.

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