from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Capable of producing infection; infectious.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Able to cause infection; infectious
  • n. A person who is capable of spreading a disease by infecting others

from the GNU version of the Collaborative International Dictionary of English

  • adj. Infectious.

from The Century Dictionary and Cyclopedia

  • Of a nature to infect or affect injuriously; injurious.
  • Infectious; tending to communicate or spread, or capable of communicating, infection.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. able to cause disease
  • adj. caused by infection or capable of causing infection


infect +‎ -ive (Wiktionary)



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