1 [U] priority (over sb/sth) the state of being more important than sb/sth or of coming before sb/sth else 优先（权）: We give priority to families with small children. 我们优先照顾有小孩的家庭。Emergency cases take priority over other patients in hospital. 在医院里，急症病人较其他病人得到优先治疗。

2 [C] something that is most important or that you must do before anything else 最重要的事物；优先处理的事情；当务之急: Our top priority is to get food and water to the refugee camps. 我们的当务之急是把水和食物送到难民营。I'll make it my priorityto sort out your problem. 我将优先解决你的问题。