A Murder

1. (uncountable) The crime of deliberately killing another person without justification.
2. (countable) The act of deliberate killing of another person or other being without justification, especially with malice aforethought.
3. (uncountable, law, in jurisdictions which use the felony murder rule) The commission of an act which abets the commission of a crime the commission of which causes the death of a human.
4. (uncountable, used as a predicative noun) Something terrible to endure.
5. (countable, collective) A group of crows; the collective noun for crows.

Usage notes

• Adjectives often applied to “murder”: atrocious, attempted, brutal, cold-blooded, double, heinous, horrible, premeditated, triple, terrible, unsolved.

Synonyms

• (act of deliberate killing): homicide, manslaughter, assassination
• (group of crows): flock