presumably /priˈzju:məbli/ adv. 大概，可能，据推测：Presumably the bad weather has delayed the train. 大概恶劣的天气使火车误点了。He knows, presumably, how to deal with such things. 他可能知道怎样处理这类事情吧。［考句］He will presumably resign in view of the complete failure of the research project.由于研究计划的完全失败，他可能因此而辞职。