lev·i·ty
noun/ˈlevəti/
/ˈlevəti/
[uncountable] (formal)- behaviour that shows a lack of respect for something serious and that treats it with humour
轻率的举止；轻浮；轻佻 - The joke provided a moment of levity in an otherwise dreary meeting.
这个笑话给原本沉闷的会议带来了一丝轻松的气氛。
Word Originmid 16th cent.: from Latin levitas, from levis ‘light’. - The joke provided a moment of levity in an otherwise dreary meeting.