In*fec"tious(?), a. [Cf. F. infectieux.]
1. Having qualities that may infect; communicable or caused by infection; pestilential; epidemic; as, an
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.
(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,
The laughter was so genuine as to be infectious.W. Black.
Syn. -- See Contagious.
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Fri 21st February 2020