infect
/ɪnˈfɛkt/ verb, adjective
Forms infects infecting infected
- verb (transitive) To bring (the body or part of it) into contact with a substance that causes illness (a pathogen), so that the pathogen begins to act on the body; (of a pathogen) to come into contact with (a body or body part) and begin to act on it. “Not everyone will be infected when an epidemic strikes.”
- verb (transitive) To contaminate (an object or substance) with a pathogen.
- verb (transitive) To make somebody enthusiastic about one's own passion, or to communicate a feeling to others, or a feeling communicating itself to others. “Her passion for dancing has infected me.”
- verb (transitive, computing) Of a computer virus: to insert its own code into (another executable file).
- adjective (obsolete) Infected.
- adjective (rare, grammar, of a tense or verb form) Representing an action not yet completed.
Synonyms
Antonyms
Etymology
From Middle French infect, from Latin infectus, perfect passive participle of inficiō (“dye, taint”).
Borrowed from Latin īnfectus, equivalent to in- (“not”) + factus, perfect passive participle of faciō (“to do, make”).
Webster’s 1913
- adjective Infected. Cf. Enfect. [Obs.] Shak.
- verb To taint with morbid matter or any pestilential or noxious substance or effluvium by which disease is produced; as, to infect a lancet; to infect an apartment.
- verb To affect with infectious disease; to communicate infection to; as, infected with the plague.
Etymology [L. infectus: cf. F. infect. See Infect, v. t.]
Etymology [L. infectus, p. p. of inficere to put or dip into, to stain, infect; pref. in- in + facere to make; cf. F. infecter. See Fact.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “infect”, CC BY-SA 4.0. Details