meantime meantime /ˈmiːnˌtaɪm/

adverb

1. During the intervening time  ( meantime , in the meantime , meanwhile )
   during the intervening time
    Meanwhile I will not think about the problem
   meanwhile I will not think about the problem
    Meantime he was attentive to his other interests
   meantime he was attentive to his other interests
    In the meantime the police were notified
   in the meantime the police were notified
   

noun

1. The time between one event, process, or period and another  ( lag , meantime , meanwhile , interim )
   the time between one event, process, or period and another
    Meanwhile the socialists are running the government
   meanwhile the socialists are running the government