WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

	Enter your search terms Submit search form
	Web www.wordnet-online.com

Definitions from the Web

Extinction

Definition

The act or process of ceasing to exist or becoming extinct.

Parts of Speech

• Noun
• Verb

Senses

1. Noun

   a. The state or condition of no longer existing; the death or annihilation of a species, family, or larger group.
   b. The process of becoming extinct; the gradual disappearance or cessation of existence of something.

   Example Sentence: The extinction of dinosaurs occurred millions of years ago.

2. Verb (transitive)

   To cause the extinction or annihilation of; to wipe out completely.

   Example Sentence: Human activities have led to the extinction of various animal species.

3. Verb (intransitive)

   To become extinct or cease to exist.

   Example Sentence: Many ancient civilizations have gone extinct over time.

Antonym

Antonym of extinction: Survival

Related Products on Amazon

• Conservation Books
• Wildlife Hunting Accessories