INFECTIVE Synonyms: 9 Similar and Opposite Words

infective

adjective

Definition of infective next

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 Hospitalizations for strokes related to opioid use and infective endocarditis, a life-threatening infection of the heart’s lining and valves, increased in people under 45 from 2006 through 2015, coinciding with the opioid epidemic’s onset, the authors added. —

Elizabeth Cooney, STAT, 23 May 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

His infectious personality provides a crucial morale boost during the tense playoff stretch, with teammates emphasizing how much his off-court presence means to the team’s performance.

— Broderick Turner, Los Angeles Times, 20 Apr. 2026
Measles is a highly contagious disease that is spread easily through the air when an infectious person breathes, coughs, or sneezes, according to the Maryland Health Department.

— Adam Thompson, CBS News, 19 Apr. 2026