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We found 28 dictionaries with English definitions that include the word operational:
Click on the first link on a line below to go directly to a page where "operational" is defined.

General (24 matching dictionaries)

1. operational: Merriam-Webster.com [home, info]
2. operational: Oxford Learner's Dictionaries [home, info]
3. operational: American Heritage Dictionary of the English Language [home, info]
4. operational: Collins English Dictionary [home, info]
5. operational: Vocabulary.com [home, info]
6. operational: Macmillan Dictionary [home, info]
7. Operational, operational: Wordnik [home, info]
8. operational: Cambridge Advanced Learner's Dictionary [home, info]
9. operational: Wiktionary [home, info]
10. operational: Webster's New World College Dictionary, 4th Ed. [home, info]
11. operational: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. operational: Infoplease Dictionary [home, info]
13. operational: Dictionary.com [home, info]
14. operational: UltraLingua English Dictionary [home, info]
15. operational: Cambridge Dictionary of American English [home, info]
16. Operational: Wikipedia, the Free Encyclopedia [home, info]
17. operational: Rhymezone [home, info]
18. operational: Free Dictionary [home, info]
19. operational: Mnemonic Dictionary [home, info]
20. operational: WordNet 1.7 Vocabulary Helper [home, info]
21. operational: LookWAYup Translating Dictionary/Thesaurus [home, info]
22. operational: Dictionary/thesaurus [home, info]

Art (2 matching dictionaries)

23. Operational: Miniature Wargaming Glossary [home, info]
24. operational: ODLIS: Online Dictionary of Library and Information Science [home, info]

Business (1 matching dictionary)

25. operational: Legal dictionary [home, info]

Computing (1 matching dictionary)

26. operational: Encyclopedia [home, info]

(Note: See operationally for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (operational) ▸ adjective:  of or intended for or involved in military operations ▸ adjective:  pertaining to a process or series of actions for achieving a result ("Operational difficulties") ▸ adjective:  being in effect or operation ("De facto apartheid is still operational even in the `new' African nations- Leslie Marmon Silko") ▸ adjective:  fit or ready for use or service ("An operational aircraft") ▸ Also see operationally ▸ Words similar to operational ▸ Usage examples for operational ▸ Idioms related to operational (New!) ▸ Popular nouns described by operational ▸ Words that often appear near operational ▸ Rhymes of operational ▸ Invented words related to operational