ludicrousness
🇺🇸
/ˈluːdɪkrəsnəs/
🇬🇧
/ˈluːdɪkrəsnəs/
something that is very silly or unreasonable
The plan to travel to the moon by bicycle shows the ludicrousness of their ideas.
骑自行车去月球的计划显示了他们想法的荒谬性。