If you say that something such as an idea or suggestion is ~, you mean that it is so stupid as to be funny and not worth serious consideration.
The idea that TV shows like ‘Dallas’ or ‘Dynasty’ represent typical American life is ~...
= ludicrous
ADJ: usu v-link ADJ
laughably
To an outsider, the issues that we fight about would seem almost laughably petty.
ADV: usu ADV adj