Infectious - Dictionary Definition and Overview

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"

Based on WordNet 2.0

Infectious : \In*fec"tious\, a. [Cf. F. infectieux.] 1. Having qualities that may infect; communicable or caused by infection; pestilential; epidemic; as, an infectious fever; infectious clothing; infectious air; infectious vices.

Where the infectious pestilence. --Shak.

2. Corrupting, or tending to corrupt or contaminate; vitiating; demoralizing.

It [the court] is necessary for the polishing of manners . . . but it is infectious even to the best morals to live always in it. --Dryden.

3. (Law) Contaminating with illegality; exposing to seizure and forfeiture.

Contraband articles are said to be of an infectious nature. --Kent.

4. Capable of being easily diffused or spread; sympathetic; readily communicated; as, infectious mirth.

The laughter was so genuine as to be infectious. --W. Black.

Syn: See Contagious.

Based on Webster's Revised Unabridged Dictionary

Parotitis \Par`o*ti"tis\, n. [NL. See Parotid, and -itis.] (Med.) Inflammation of the parotid glands.

Epidemic, or Infectious, parotitis, mumps.

Based on Webster's Revised Unabridged Dictionary (1913)

Example Usage of Infectious

Brainzooming: @Reaburn Check out "I Want a Hippopotamus for Christmas" by Gayla Peevey (on iTunes). Based on 1953. Totally Infectious!
grrraciebear: @tessaohhh it's official, it's Infectious, i've been listening to the maine allllll day long.
superduperjes: @Cassie2theBooth It's true!! She makes my cheeks hurt. Her smile is so Infectious. :D
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