'Euthanasia' definitions:

Definition of 'euthanasia'

From: WordNet
noun
The act of killing someone painlessly (especially someone suffering from an incurable illness) [syn: euthanasia, mercy killing]

Definition of 'Euthanasia'

From: GCIDE
  • Euthanasia \Eu`tha*na"si*a\n. [NL., fr. Gr. ?; e'y^ well + ? death, ?, ?, to die: cf. F. euthanasie.]
  • 1. An easy death; a mode of dying to be desired. "An euthanasia of all thought." --Hazlitt. [1913 Webster]
  • The kindest wish of my friends is euthanasia. --Arbuthnot.
  • 2. the act or process of putting to death for humane purposes; -- used to refer to the killing of animals in order to relieve or avoid pain. [PJC]

Synonyms of 'euthanasia'

From: Moby Thesaurus