Synonyms: grampus, sea wolf, killer, killer whale, orca, Orcinus orca
Definition: predatory black-and-white toothed whale with large dorsal fin; common in cold seas
Similar words: dolphin
Definition: any of various small toothed whales with a beaklike snout; larger than porpoises
Synonyms: killer
Definition: a difficulty that is hard to deal with
Usage: that exam was a real killer
Similar words: difficulty
Definition: a factor causing trouble in achieving a positive result or tending to produce a negative result
Usage: serious difficulties were encountered in obtaining a pure reagent
Definition: someone who causes the death of a person or animal
Similar words: somebody, someone, soul, mortal, person, individual
Definition: a human being
Usage: there was too much for one person to do
Synonyms: cause of death, killer
Definition: the causal agent resulting in death
Usage: heart disease is the biggest killer in the United States
Similar words: causal agency, causal agent, cause
Definition: any entity that produces an effect or is responsible for events or results