Definition of infective in English:

Share this entry


Pronunciation: /ɪnˈfɛktɪv/


1Capable of causing infection: the infective eggs or larvae of the roundworm
More example sentences
  • He had no infective, gastrointestinal, or respiratory symptoms and no arthralgias.
  • Our results suggest that the enzymatic, inflammatory, and infective pathogenic elements could be individually treated.
  • The gravid segment of the adult tapeworm breaks off and disintegrates in the large bowel, releasing hundreds of infective eggs, which then pass out with the feces.
1.1 dated Infectious: infective hepatitis
More example sentences
  • Overall, I would summarise the position by saying that the potential for transmission of infective TSE prions to susceptible cattle, sheep and humans via environmental contamination is particularly unclear.
  • Causes of chronic mitral regurgitation include infective endocarditis, degenerative valvular disease (mitral valve prolapse) and rheumatic fever.
  • He was found to have severe mitral regurgitation associated with a ruptured mitral chord and infective endocarditis.



Example sentences
  • For farmers and vets, the most shocking aspect of the French outbreak was the virus's high infectivity, spreading in days to 80% of the 11,000-strong flock.
  • It would take at least three months to wipe away ‘residual infectivity before we can get our disease-free status back’.
  • If you can't get airborne infectivity, you can't use it as a weapon.


Late Middle English: from Latin infectivus, from inficere 'to taint' (see infect).

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.