Synonyms for infectious

Adjective

1. infectious, infective, septic (vs. antiseptic)

usage: caused by infection or capable of causing infection; "viruses and other infective agents"; "a carrier remains infective without himself showing signs of the disease"

2. infectious (vs. noninfectious), catching, communicable, contagious, contractable, transmissible, transmittable, contagious, corrupting, contaminating

usage: easily spread; "fear is exceedlingly infectious; children catch it from their elders"- Bertrand Russell

3. infectious

usage: of or relating to infection; "infectious hospital"; "infectious disease"