We found 25 dictionaries that define the word decommission:

General (20 matching dictionaries)

1. decommission: Merriam-Webster
2. decommission: Oxford Learner's Dictionaries
3. decommission: American Heritage Dictionary of the English Language
4. decommission: Collins English Dictionary
5. decommission: Vocabulary.com
6. decommission: Wordnik
7. decommission: Cambridge Advanced Learner's Dictionary
8. decommission: Wiktionary
9. decommission: Webster's New World College Dictionary, 4th Ed.
10. decommission: Infoplease Dictionary
11. decommission: Dictionary.com
12. decommission: Online Etymology Dictionary
13. Decommission: Wikipedia, the Free Encyclopedia
14. decommission: Rhymezone
15. decommission: FreeDictionary.org
16. decommission: Mnemonic Dictionary
17. decommission: TheFreeDictionary.com
18. decommission: Longman Dictionary of Contemporary English

Business (3 matching dictionaries)

19. MoneyGlossary.com (No longer online)
20. Travel Industry Dictionary (No longer online)
21. decommission: Legal dictionary

Computing (1 matching dictionary)

22. decommission: Encyclopedia

Tech (1 matching dictionary)

23. SeaTalk Dictionary of English Nautical Language (No longer online)

(Note: See decommissioning as well.)

Definitions from Wiktionary ( ) ▸ verb:  To take out of service or to render unusable. ▸ verb:  To remove or revoke a commission. ▸ verb:  To remove or revoke a formal designation. Similar: discommission, recommission, disable, dismount, demount, turn off, deshelve, dismantle, kill, lay up, more... Opposite: commission, activate, deploy, initiate, launch Types: mothball, retire, inactivate, scrap, scrapped, scrapping, scraps, more... Colors:     rust,     gray,     olive,     brown,     beige, more... ▸ Word origin ▸ Words similar to decommission ▸ Usage examples for decommission ▸ Idioms related to decommission ▸ Wikipedia articles (New!) ▸ Words that often appear near decommission ▸ Rhymes of decommission ▸ Invented words related to decommission