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View synonyms for

infectious

[ in-fek-shuhs ]

adjective

  1. communicable by infection, as from one person to another or from one part of the body to another:

    infectious diseases.

    Synonyms:

  2. causing or communicating infection.
  3. tending to spread from one to another:

    infectious laughter.

  4. Law. capable of contaminating with illegality; exposing to seizure or forfeiture.
  5. Obsolete. diseased.


infectious

/ ɪˈɛʃə /

adjective

  1. (of a disease) capable of being transmitted Compare contagious
  2. (of a disease) caused by microorganisms, such as bacteria, viruses, or protozoa
  3. causing or transmitting infection
  4. tending or apt to spread, as from one person to another

    infectious mirth

  5. international law
    1. tainting or capable of tainting with illegality
    2. rendering liable to seizure or forfeiture
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

infectious

  1. Capable of causing infection.
  2. See Note at contagious
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Derived Forms

  • ˈڱ𳦳پdzܲԱ, noun
  • ˈڱ𳦳پdzܲ, adverb
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Other Word Forms

  • ·ڱtdzܲ· adverb
  • ·ڱtdzܲ·Ա noun
  • ԴDzi·ڱtdzܲ adjective
  • non·ڱtdzܲ· adverb
  • non·ڱtdzܲ·Ա noun
  • ܲi·ڱtdzܲ adjective
  • un·ڱtdzܲ· adverb
  • un·ڱtdzܲ·Ա noun
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Word History and Origins

Origin of infectious1

First recorded in 1535–45; infect(ion) + -ious
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Synonym Study

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Example Sentences

Examples have not been reviewed.

“A luminous presence in the worlds of entertainment and advocacy, Jiggly Caliente was celebrated for her infectious energy, fierce wit, and unwavering authenticity,” the statement continued.

From

The star's family paid tribute to Caliente's "infectious energy, fierce wit, and unwavering authenticity", adding that she left a legacy of "love, courage and light".

From

We don’t actually know how to diagnose and take care of a number of infectious diseases because they mostly have been eradicated or outbreaks have been really contained.

From

"I immediately knew what the impact was," Nichols, a Boston University associate professor of global health and infectious disease mathematical modeller, told Salon in a video call.

From

Measles has been confirmed in a Los Angeles County resident who recently returned from Texas, a state that is in the midst of an outbreak of the highly infectious disease, health officials said Friday.

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