contagious - Dictionary definition and pronunciation - Yahoo! Education

Definition of contagious


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con·ta·gious  audio  (kn-tjs) KEY 

ADJECTIVE:
  1. Of or relating to contagion.
  2. Transmissible by direct or indirect contact; communicable: a contagious disease.
  3. Capable of transmitting disease; carrying a disease: stayed at home until he was no longer contagious.
  4. Spreading or tending to spread from one to another; infectious: a contagious smile.


OTHER FORMS:
con·tagious·ly(Adverb), con·tagious·ness(Noun)


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