Pronunciation: /ˈkɪlər/
noun a person or thing that kills, especially a murderer
A1 The killer was hiding in the dark alley.
A2 The detective was on the hunt for the killer.
B1 The killer left behind a trail of clues at the crime scene.
B2 The police finally caught the notorious killer after months of investigation.
C1 The killer's motive for the crime was finally revealed during the trial.
C2 The killer's cold and calculated actions shocked the entire nation.
adjective causing or capable of causing death
A1 The killer bee is a small but dangerous insect.
A2 She wore a killer outfit to the party.
B1 The killer instinct in him made him a formidable opponent in the game.
B2 The killer whale is known for its impressive hunting skills.
C1 The killer virus spread rapidly throughout the population.
C2 The killer storm caused widespread destruction in the city.
formal The forensic team is still investigating the identity of the serial killer.
informal Did you hear about that killer on the loose in the neighborhood?
slang That movie was killer, I couldn't stop laughing!
figurative His killer instinct on the basketball court is unmatched.
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killing