noun
plural -ders
the crime of deliberately killing a person [noncount]
[noncount] informal :something that is very difficult or unpleasant
To be murder on something is to cause pain or harm to it.
get away with murder
to murder someone without being captured or punished
usually used figuratively to describe someone who does something very bad or wrong without being criticized or punished
scream bloody/blue murder
verb
-ders; -dered; -dering
[+ obj] to kill (a person) in a deliberate and unlawful way :to commit the murder of (someone)
informal
to spoil or ruin (something)
to defeat (an opponent) very badly
US