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general::
Phrase(s): put one out of (one’s) misery
1. Euph. Fig. to kill someone as an act of mercy. (See also put some creature out of its misery.) • Why doesn’t the doctor simply put her out of her misery? • He took pills to put himself out of his misery. 2. Fig. to end a suspenseful situation for someone. • Please, put me out of misery; what happened? • I put her out of her misery and told her how the movie ended.
McGrawhill's American Idioms And Phrasal Verbs