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We found 40 dictionaries that include the word ultra:

General (31 matching dictionaries)

1. ultra, ultra-: Merriam-Webster.com [home, info]
2. ultra, ultra-: Oxford Learner's Dictionaries [home, info]
3. ultra, ultra-: American Heritage Dictionary of the English Language [home, info]
4. ultra, ultra-: Collins English Dictionary [home, info]
5. ultra: Vocabulary.com [home, info]
6. ultra-: Macmillan Dictionary [home, info]
7. Ultra, ultra, ultra-: Wordnik [home, info]
8. ultra-: Cambridge Advanced Learner's Dictionary [home, info]
9. ultra, ultra-: Wiktionary [home, info]
10. ultra, ultra-: Webster's New World College Dictionary, 4th Ed. [home, info]
11. ultra, ultra-: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. ultra: Infoplease Dictionary [home, info]
13. ultra, ultra-: Dictionary.com [home, info]
14. ultra-: Online Etymology Dictionary [home, info]
15. ultra: UltraLingua English Dictionary [home, info]
16. ultra, ultra-: Cambridge Dictionary of American English [home, info]
17. ULTRA (machine translation system), ULTRA, ULTra (PRT), ULTra (rapid transit), ULTra, Ultra (British band), Ultra (Depeche Mode album), Ultra (Malaysia), Ultra (TV channel), Ultra (Ultra album), Ultra (WWII intelligence), Ultra (World War II intelligence), Ultra (Zomby album), Ultra (album), Ultra (boy band), Ultra (comics), Ultra (cryptography), Ultra (disambiguation), Ultra (film), Ultra (group), Ultra (music), Ultra (rapid transit), Ultra: Wikipedia, the Free Encyclopedia [home, info]
18. Ultra-, Ultra: Online Plain Text English Dictionary [home, info]
19. ultra, ultra-: Webster's Revised Unabridged, 1913 Edition [home, info]
20. ultra: Rhymezone [home, info]
21. Ultra-, Ultra: AllWords.com Multi-Lingual Dictionary [home, info]
22. ultra, ultra-: MyWord.info [home, info]
23. ultra: Hutchinson's Dictionary of Difficult Words [home, info]
24. ultra, ultra-: Free Dictionary [home, info]
25. ultra: Hutchinson Dictionaries [home, info]
26. ultra: Mnemonic Dictionary [home, info]
27. ultra: WordNet 1.7 Vocabulary Helper [home, info]
28. ultra: LookWAYup Translating Dictionary/Thesaurus [home, info]
29. ultra, ultra, ultra-: Dictionary/thesaurus [home, info]

Art (1 matching dictionary)

30. ultra-: A Cross Reference of Latin and Greek Elements [home, info]

Computing (1 matching dictionary)

31. ULTra (PRT), Ultra (WWII intelligence), ultra: Encyclopedia [home, info]

Medicine (3 matching dictionaries)

32. ultra-: online medical dictionary [home, info]
33. ultra-: Neurotrauma Glossary [home, info]
34. ULTra (PRT), Ultra (WWII intelligence), ultra, ultra-: Medical dictionary [home, info]

Miscellaneous (2 matching dictionaries)

35. ULTRA-, ULTRA: Acronym Finder [home, info]
36. ULTRA: AbbreviationZ [home, info]

Science (1 matching dictionary)

37. ultra: Dictionary of Botanical Epithets [home, info]

Slang (1 matching dictionary)

38. ultra: Urban Dictionary [home, info]

(Note: See ultras for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (ultra) ▸ adjective:  (used of opinions and actions) far beyond the norm ("An ultra conservative") ▸ Also see ultras ▸ Word origin ▸ Words similar to ultra ▸ Usage examples for ultra ▸ Idioms related to ultra (New!) ▸ Popular nouns described by ultra ▸ Words that often appear near ultra ▸ Rhymes of ultra ▸ Invented words related to ultra