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Infect

/ɪnˈfekt/

To introduce a disease-causing organism into a person, animal, or plant, leading to illness or disease.

Synonyms:

Ideas infect like viruses.The software was designed not to infect users' devices.She managed not to let his negativity infect her mood.

Middle French infecter, from Latin infectus, past participle of inficere meaning to taint or stain, from in- + facere meaning to do or make.

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