Killer
'kɪlər
Definitions
2 meaningsA person or thing that causes death; a murderer or an agent of destruction or annihilation.
'kɪlər
A person or thing that kills.
The killer was caught after a long investigation.
💡 Simply: Imagine a bad guy who hurts people (that's a killer!), or a really tough move in a game that decides the winner. It's something that causes harm or ends something.
👶 For kids: Someone who hurts someone else on purpose.
More Examples
The storm was a killer of crops.
How It's Used
"The police are searching for the killer."
"He was the killer of the game with his last-minute goal."
(Informal) Extremely good or impressive; remarkable.
'kɪlər
Extremely impressive or effective.
She wore a killer dress to the party.
💡 Simply: When something is super great, awesome, or amazing. Like, if you see a really cool car, you might say it's a 'killer' car!
👶 For kids: Something super good or cool!
More Examples
That was a killer performance.
How It's Used
"That movie was killer!"
"She had a killer voice."
Synonyms
Assassin
Destroyer
Executioner
Amazing
Excellent
Fantastic
Impressive
Idioms & expressions
killer app
A software application that is so useful or popular that it drives the sales or use of the platform on which it runs.
"The company is looking for a killer app to make their new product succeed."
From Old English *cyller*, a derivative of *cillan* 'to kill', influenced by the verb 'to kill'.
The term has consistently referred to someone or something causing death since at least the 16th century. The informal usage denoting something exceptional is a more recent development.