say it: in-FEK-tiv
infective is an adjective meaning "able to cause disease". It carries 2 recorded senses.
able to cause disease
“infective agents”
“pathogenic bacteria”
caused by infection or capable of causing infection
“viruses and other infective agents”
“a carrier remains infective without himself showing signs of the disease”
Definitions, synonyms and semantic relations for infective come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.