a. Obs. [prob. ad. med.L. *contāminōs-us, f. contāmen infection, etc.: see -OUS.] Infectious.
1599. A. M., trans. Gabelhouers Bk. Physicke, 296/1. The odour therof is verye contaminous, and verye venoumouse. Ibid., 296/2. When you are to goe into anye contaminous ayre.
1630. J. Taylor (Water P.), To O. Toole, Wks. II. 18/2. And nasty beadles with their breath contaminous, With, what are you? and, who goes there? examine us.