We found 24 dictionaries that define the word extermination:

General (20 matching dictionaries)

1. extermination: Merriam-Webster
2. extermination: Oxford Learner's Dictionaries
3. extermination: Collins English Dictionary
4. extermination: Vocabulary.com
5. Extermination, extermination: Wordnik
6. extermination: Cambridge Advanced Learner's Dictionary
7. extermination: Wiktionary
8. Extermination, extermination: Dictionary.com
9. extermination: Cambridge Essential American English Dictionary
10. ExtermiNation, Extermination (comics), Extermination (video game), Extermination: Wikipedia, the Free Encyclopedia
11. Extermination: Online Plain Text English Dictionary
12. extermination: Webster's Revised Unabridged, 1913 Edition
13. extermination: Rhymezone
14. Extermination: AllWords.com Multi-Lingual Dictionary
15. extermination: Webster's 1828 Dictionary
16. extermination: FreeDictionary.org
17. extermination: Mnemonic Dictionary
18. extermination: TheFreeDictionary.com

Business (1 matching dictionary)

19. extermination: Legal dictionary

Computing (1 matching dictionary)

20. extermination: Encyclopedia

Medicine (2 matching dictionaries)

21. online medical dictionary (No longer online)
22. extermination: Medical dictionary

(Note: See exterminate as well.)

Definitions from Wiktionary (extermination) ▸ noun:  The act of exterminating; total destruction or eradication. ▸ noun:  Elimination. Similar: extinction, liquidation, eradication, extirpation, obliteration, wipeout, erasure, eradicative, elimination, specicide, more... Opposite: preservation, conservation, preservationism Types: gas chamber, cremation, shooting, firing squad, poisoning, starvation, disease, bombing, more... Phrases: extermination camps, extermination camp, racial extermination, Treblinka extermination camp, Sobibor extermination camp, more... Adjectives: total, complete, mass, systematic, utter, physical, mutual, wholesale, near, final, ruthless Colors:     black,     red,     dark gray,     blood red,     charcoal, more... ▸ Words similar to extermination ▸ Usage examples for extermination ▸ Idioms related to extermination ▸ Wikipedia articles (New!) ▸ Popular adjectives describing extermination ▸ Words that often appear near extermination ▸ Rhymes of extermination ▸ Invented words related to extermination