IPA: /juːˈθənaɪz/
KK: /juːˈθənaɪz/
To end the life of a person or animal in a painless way, usually to relieve suffering.
The veterinarian had to euthanize the injured dog to prevent further pain.
Past: euthanized
Past Participle: euthanized
Euthanize → It is formed from "eu-" (from Greek "eu", meaning good or well) and "thanatos" (from Greek "thanatos", meaning death). The word "euthanize" means to bring about a good or peaceful death, often to relieve suffering.
Think of 'good' ('eu-') and 'death' ('thanatos') together, and remember that 'euthanize' refers to providing a good or peaceful death.