infect B2 Topic:People & Society US /ɪnˈfɛkt/ See IPA manual Freq #15732 Meanings 1 verb To pass a disease to a person, animal, or thing. The virus can infect anyone who breathes the same air. 2 verb To spread a feeling or mood to other people. Her cheerful laughter quickly infected the whole room. 3 verb To put a harmful program onto a computer or file. The downloaded file infected his laptop with a virus. Thesaurus Synonyms 1 verb · to pass a disease to a... contaminatetaint ↔ Opposites disinfect Word family Forms infectinginfects Derived forms autoinfectcamfectingcoinfectinfectabilityinfectableinfecteeinfectibleinfectioninfectiveinfectomeinfectornoninfecting Related forms infectious Etymology AI details Borrowed from Latin īnfectus, equivalent to in- (“not”) + factus, perfect passive participle of faciō (“to do, make”). Topics People & Society Technology & Computing External links Cambridge Dictionary Wiktionary Google Images # infect **Type:** Word **Level:** B2 **Part of speech:** verb **IPA (US):** /ɪnˈfɛkt/ **Frequency rank:** 15732 ## Meanings 1. To pass a disease to a person, animal, or thing. 2. To spread a feeling or mood to other people. 3. To put a harmful program onto a computer or file. ## Examples - The virus can infect anyone who breathes the same air. - Her cheerful laughter quickly infected the whole room. - The downloaded file infected his laptop with a virus. ## Antonyms - disinfect ## Derived Forms - autoinfect - camfecting - coinfect - infectability - infectable - infectee - infectible - infection - infective - infectome - infector - noninfecting ## Related Forms - infectious ## Etymology Borrowed from Latin īnfectus, equivalent to in- (“not”) + factus, perfect passive participle of faciō (“to do, make”). ## AI Etymology Infect is borrowed from Latin īnfectus, equivalent to in- (“not”) + factus, perfect passive participle of faciō (“to do, make”). The analysis is mainly morphological: the modern verbal form is built from the named base and affix. ## Topics - People & Society - Technology & Computing markdown