Definition of janitor in English:


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  • 1mainly North American A person employed as a caretaker of a building; a custodian.

    ‘Instead of janitors or custodians, Japanese schools had the students clean up the classrooms at the end of the day.’
    • ‘Back at the office, janitor Jason Aaron was taking care of some lighting repair.’
    • ‘Over the next decade he earned barely £200 from his music and was forced to work as a welder and hotel janitor.’
    • ‘The education system remained functioning but without the assistance of school secretaries, janitors, laboratory workers and other administrative employees.’
    • ‘The main effect was widespread closure of schools because there were no janitors, lollipop men, cleaners or dinner ladies to maintain the legal requirements on health and safety, among other things.’
    caretaker, custodian, porter, concierge, doorkeeper, doorman, steward, warden, watchman
    View synonyms
    1. 1.1 archaic A doorman or doorkeeper.



/ˈjanədər/ /ˈdʒænədər/


Mid 16th century from Latin, from janua ‘door’.