From Longman Dictionary of Contemporary Englishoff-siteˌoff-ˈsite adjective, adverb happening away from a particular place, especially a place of work OPP on-site the off-site disposal of harmful waste A small team worked off-site on the project.
Examples from the Corpus
off-site• an off-site meetingFrom Longman Business Dictionaryoff-siteˌoff-ˈsite adverb away from a particular place of workA small team worked off-site on the project. → compare on-site —off-site adjectivethe off-site disposal of harmful waste