labor-intensiveEnglishOxford New American Dictionarylabor-intensive /ˌlābərinˈtensiv, ˌleɪbərɪnˈtɛnsɪv / ▸ adjective (of a form of work) needing a large workforce or a large amount of work in relation to output: the labor-intensive task of tagging each item in the store.