Main Entry: con·ta·gious

Pronunciation: \-jəs\

Function: adjective

Date: 14th century

1 : communicable by contact : catching <contagious diseases>
2 : bearing contagion <contagious people>
3 : used for contagious diseases <a contagious ward>
4 : exciting similar emotions or conduct in others <contagious enthusiasm>

— con·ta·gious·ly adverb

— con·ta·gious·ness noun