contagious

con·ta·gious

adj \-jəs\

Definition of CONTAGIOUS

1

: communicable by contact <tuberculosis in the contagious stage>—compare infectious 2

2

: bearing contagion <many persons…are contagious long before they are aware of the presence of their disease—Journal of the American Medical Association>

3

: used for contagious diseases <a contagious ward>

—con·ta·gious·ly adverb

—con·ta·gious·ness noun