put something out of its misery
put (someone or something) out of its/(one's) misery
put something out of its misery
put something out of its misery
end the suffering of a creature in pain by killing it.put somebody/something out of their/its ˈmisery
1 (informal) stop somebody worrying by telling them something that they are anxious to know: You can’t keep telling him to wait for your answer. Put him out of his misery and tell him now. OPPOSITE: prolong the agony
2 kill an animal which is badly injured or very ill in order to end its suffering: I can’t let a horse go on suffering such terrible pain. Can you put it out of its misery, please.