CONTAGIOUS

a.

3 definitions — Webster’s Dictionary (1828)


1.
a.

Communicable by contact, by a virus, or by a bodily exhalation; catching; as, a contagious disease.

2.
a.

Conveying or generating disease; pestilential; poisonous; as, contagious air.

3.
a.

Spreading or communicable from one to another; exciting similar emotions or conduct in others. His genius rendered his courage more contagious. Wirt. The spirit of imitation is contagious. Ames.