1. the crime of unlawfully killing a person especially with malice aforethought
was convicted of murder

2. something very difficult or dangerous
the traffic was murder carrying the luggage was murder on my back

3. something outrageous or blameworthy
getting away with murder

4. a flock of crows
There's a reason the proper term for a flock of them is a murder of crows, and it's not because we like having them around.
— Jeffrey Kluger

5. to kill (a human being) unlawfully and with premeditated malice

6. to slaughter wantonly slay

7. to put an end to

8. tease, torment

9. mutilate, mangle
murders French

10. to defeat badly

11. to commit murder

12. the crime of deliberately killing a person

13. something that is very difficult or unpleasant

14. to kill (a person) in a deliberate and unlawful way to commit the murder of (someone)

15. to spoil or ruin (something) to perform (something) very badly

16. to defeat (an opponent) very badly

17. the intentional and unlawful killing of a human being

18. to kill (someone) intentionally and unlawfully

19. to spoil or ruin by performing or using badly
murder a song

20. the crime of unlawfully and unjustifiably killing another under circumstances defined by statute (as with premeditation) especially such a crime committed purposely, knowingly, and recklessly with extreme indifference to human life or during the course of a serious felony (as robbery or rape) — compare cold blood, cooling time, homicide, manslaughter Note: Self-defense, necessity, and lack of capacity for criminal responsibility (as because of insanity) are defenses to a charge of murder. Most state statutes and the U.S. Code divide murder into two degrees. Florida, Minnesota, and Pennsylvania currently have three degrees of murder. Some states do not assign degrees of murder. — depraved-heart murder \ di-​?prāvd-​?h?rt-​ \ a murder that is the result of an act which is dangerous to others and shows that the perpetrator has a depraved mind and no regard for human life Note: Depraved-heart murder is usually considered second- or third-degree murder.

21. a murder that occurs in the commission of a serious felony (as burglary or sexual battery) — compare misdemeanor-manslaughter at manslaughter Note: Felony murder is usually considered first-degree murder. Felony murder does not require specific intent to kill, and an accessory to the felony may also be charged with the murder.

22. a murder that is committed with premeditation or during the course of a serious felony (as kidnapping) or that otherwise (as because of extreme cruelty) requires the most serious punishment under the law

23. a murder that is committed without premeditation but with some intent (as general or transferred intent) or other circumstances not covered by the first-degree murder statute

24. a murder that is not first- or second-degree murder: as

25. a murder committed in the perpetration of a felony not listed in the first-degree murder statute

26. depraved-heart murder in this entry

27. to kill (a human being) unlawfully and under circumstances constituting murder