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We found 40 dictionaries with English definitions that include the word infectious:
Click on the first link on a line below to go directly to a page where "infectious" is defined.

General dictionaries General (29 matching dictionaries)
  1. infectious: Merriam-Webster.com [home, info]
  2. infectious: Oxford Dictionaries [home, info]
  3. infectious: American Heritage Dictionary of the English Language [home, info]
  4. infectious: Collins English Dictionary [home, info]
  5. infectious: Vocabulary.com [home, info]
  6. infectious: Macmillan Dictionary [home, info]
  7. Infectious, infectious: Wordnik [home, info]
  8. infectious: Cambridge Advanced Learner's Dictionary [home, info]
  9. infectious: Wiktionary [home, info]
  10. infectious: Webster's New World College Dictionary, 4th Ed. [home, info]
  11. infectious: V2 Vocabulary Building Dictionary [home, info]
  12. infectious: The Wordsmyth English Dictionary-Thesaurus [home, info]
  13. infectious: Infoplease Dictionary [home, info]
  14. infectious: Dictionary.com [home, info]
  15. infectious: UltraLingua English Dictionary [home, info]
  16. infectious: Cambridge Dictionary of American English [home, info]
  17. Infectious: Wikipedia, the Free Encyclopedia [home, info]
  18. Infectious: Online Plain Text English Dictionary [home, info]
  19. infectious: Webster's Revised Unabridged, 1913 Edition [home, info]
  20. infectious: Rhymezone [home, info]
  21. infectious: AllWords.com Multi-Lingual Dictionary [home, info]
  22. infectious: Webster's 1828 Dictionary [home, info]
  23. infectious: Free Dictionary [home, info]
  24. infectious: Mnemonic Dictionary [home, info]
  25. infectious: WordNet 1.7 Vocabulary Helper [home, info]
  26. infectious: LookWAYup Translating Dictionary/Thesaurus [home, info]
  27. infectious: Dictionary/thesaurus [home, info]

Business dictionaries Business (1 matching dictionary)
  1. infectious: Legal dictionary [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. infectious: Encyclopedia [home, info]

Medicine dictionaries Medicine (9 matching dictionaries)
  1. Infectious: AIDSinfo Glossary [home, info]
  2. infectious: online medical dictionary [home, info]
  3. INFECTIOUS: Lay Terms for Consent Forms [home, info]
  4. Infectious: Health and Wellness Dictionary [home, info]
  5. INFECTIOUS: Probert Encyclopaedia of Medicine [home, info]
  6. Infectious: National Immunization Program Glossary [home, info]
  7. infectious: Glossary of HIV/AIDS Related Terms [home, info]
  8. infectious: Medical dictionary [home, info]
  9. infectious: Hyperdictionary [home, info]

(Note: See infectiousness for more definitions.)

Quick definitions from Macmillan (
American English Definition British English Definition

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Quick definitions from WordNet (infectious)

adjective:  easily spread ("Fear is exceedlingly infectious")
adjective:  caused by infection or capable of causing infection
adjective:  of or relating to infection ("Infectious hospital")

▸ Also see infectiousness

Words similar to infectious

Usage examples for infectious

Popular nouns described by infectious

Words that often appear near infectious

Rhymes of infectious

Invented words related to infectious

Phrases that include infectious:   infectious hepatitis, infectious polyneuritis, feline infectious peritonitis, infectious canine hepatitis, infectious diseases, more...

Words similar to infectious:   infectiously, infectiousness, infective, viral, more...

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