Definition of infected in US English:

infected

adjective

  • 1(of a person, organism, etc.) affected with a disease-causing organism.

    ‘rabies results from a bite by an infected dog’
    1. 1.1 (of air, water, etc.) contaminated with harmful organisms.
      ‘the bacteria can get into a crop from an infected water supply’
    2. 1.2Computing Affected with a virus.
      ‘malicious code designed to steal information from infected computers’

Pronunciation

infected

/ɪnˈfɛktəd//inˈfektəd/