capable of being transmitted by bodily contact with an infected person or object

contagious diseases.

carrying or spreading a contagious disease.

tending to spread from person to person

contagious laughter.

adjective

noncommunicable , incommunicable

adjective

catching , deadly , endemic , epidemic , epizootic , impartible , infectious , inoculable , pestiferous , pestilential , poisonous , spreading , taking , transmissible , transmittablenotes:diseases spread by contact are contagious and those spread by air or water are infectious , communicable , contaminating , corrupt , corruptive , infective , noxious , pathological , septic , transmittable , vitiating