Infectious meaning

ĭn-fĕkshəs
Capable of being transmitted by infection.

An infectious disease.

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Tending to spread or to affect others; catching.

An infectious laugh.

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(pathology, of an illness) Transmitted from one person to another, usually through the air breathed.

Cancer is not infectious.

More infectious diseases like the flu are usually less potent.

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(obs.) Infected with disease.
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Capable of transmitting a disease; contagious.

Is the patient still infectious?

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Capable of causing infection.
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(pathology, of a person) Able to infect others.

Despite feeling better, the patient is still infectious.

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Likely to cause infection.
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Designating a disease that can be communicated by infection.
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The definition of infectious is something that is likely to spread in a rapid manner, such as a contagious disease that spreads easily from person to person.

If you have a cute and enthusiastic laugh that always gets other people to laugh along with you, this is an example of a time when you would be said to have an infectious laugh.

The swine flu is an example of an infectious disease.

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Capable of causing infection.

An infectious microorganism.

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Capable of transmitting a disease; contagious.

Is the patient still infectious?

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Spreading or tending to spread from one to another.

An infectious laugh.

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Capable of causing infection.

An infectious microorganism.

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Capable of being transmitted by infection.

An infectious disease.

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(of feelings and behaviour) Spreading quickly from one person to another.

Her enthusiasm for work can be really infectious.

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(informal) Memorable and invoking excitement or interest.

Pop music is more infectious than elevator music.

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