Third-person singular simple present indicative form of infect

(pathology) The act or process of infecting. / An uncontrolled growth of harmful microorganisms in a host. / A disease caused by a pathogen.

(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.

(obsolete) Infected.

plural of infection

simple past tense and past participle of infect

Having an infection.

present participle of infect

Able to cause infection; infectious

(epidemiology) A person who is capable of spreading a disease by infecting others.