1. the crime of unlawfully killing a person especially with malice aforethought
2. a flock of crows
Usage: collective noun

1. to kill (a human being) unlawfully and with premeditated malice
2. to spoil or ruin by performing or rendering badly
Usage: informal

Examples

• The detective investigated the murder that occurred downtown.
• He was convicted of first-degree murder.
• A murder of crows gathered in the field.
• The suspect was accused of murdering his business partner.
• She murdered the song with her off-key singing.
• The actor murdered his lines during the performance.