AskDefine | Define infectious

Dictionary Definition

infectious adj
1 caused by infection or capable of causing infection; "viruses and other infective agents"; "a carrier remains infective without himself showing signs of the disease" [syn: infective]
2 easily spread; "fear is exceedlingly infectious; children catch it from their elders"- Bertrand Russell [ant: noninfectious]
3 of or relating to infection; "infectious hospital"; "infectious disease"

User Contributed Dictionary

English

Adjective

  1. In the context of "pathology|of an illness": Transmitted from one person to another, usually through the air breathed.
  2. In the context of "of feelings and behaviour": Spreading quickly from one person to another.
    Her enthusiasm for work is really infectious.
  3. In the context of "pathology|of a person": Able to infect others.
    The patient is still infectious.

Derived terms

Translations

of an illness
of feelings and behaviour
of a person, able to infect others

Extensive Definition

An infection is the detrimental colonization of a host organization by a foreign species.
Infection may also refer to:
Infected, the adjective form of infection, may also refer to:
Infectious may refer to:
infectious in Hebrew: זיהום (פירושונים)

Synonyms, Antonyms and Related Words

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