Infectious meaning

What does “infectious” mean? Definitions, examples, synonyms and opposites.

“infectious” is an adjective with 3 meanings. Its most common meaning is: caused by infection or capable of causing infection.

infectious

caused by infection or capable of causing infection
“viruses and other infective agents”
“a carrier remains infective without himself showing signs of the disease”
Synonymsinfective
easily spread
“fear is exceedingly infectious; children catch it from their elders”
Oppositesnoninfectious
of or relating to infection
“infectious hospital”
“infectious disease”

Source: WordNet 3.1, Princeton University