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We found 29 dictionaries with English definitions that include the word superhighway:
Click on the first link on a line below to go directly to a page where "superhighway" is defined.

General (24 matching dictionaries)

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

Business (1 matching dictionary)

23. superhighway: Legal dictionary [home, info]

Computing (2 matching dictionaries)

24. superhighway: Free On-line Dictionary of Computing [home, info]
25. superhighway: Encyclopedia [home, info]

Medicine (1 matching dictionary)

26. superhighway: online medical dictionary [home, info]

Tech (1 matching dictionary)

27. Superhighway: AUTOMOTIVE TERMS [home, info]

(Note: See superhighways for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (superhighway) ▸ noun:  an extensive electronic network (such as the internet) used for the rapid transfer of sound and video and graphics in digital form ▸ noun:  a broad highway designed for high-speed traffic ▸ Also see superhighways ▸ Word origin ▸ Words similar to superhighway ▸ Usage examples for superhighway ▸ Popular adjectives describing superhighway ▸ Words that often appear near superhighway ▸ Rhymes of superhighway ▸ Invented words related to superhighway