infective

adjective

Definition of infectivenext
as in infectious

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of infective On July 30, Ray updated her fans again, revealing her diagnosis of infective endocarditis, a severe heart infection. — Jessica Lynch, Billboard, 31 July 2024 People typically get malaria by being bitten by an infective female Anopheles mosquito. — Sara Moniuszko, CBS News, 5 Oct. 2023 The parasite becomes infective one to five days after it is passed in the feces of the cat. — Joe Mutascio, The Indianapolis Star, 21 Aug. 2023 Symptoms usually appear seven to 30 days after an infective bite and include high fever, chills, body aches, diarrhea and vomiting, Maryland health department officials said. — Minnah Arshad, USA TODAY, 19 Aug. 2023 See All Example Sentences for infective
Recent Examples of Synonyms for infective
infectious
Adjective
  • Parents should understand that infectious pathogens like viruses and bacteria have not disappeared, but rather remain under control when vaccination rates stay high.
    — Omer Awan, Forbes.com, 2 Aug. 2026
  • That infectious work ethic apparently already had resurfaced on Day One.
    — Vahe Gregorian July 30, Kansas City Star, 30 July 2026
Definition of infectious

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infectious
infective
infects
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Cite this Entry

“Infective.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infective. Accessed 7 Aug. 2026.

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