lu·di·crous 
/ˈlu:dəkrəs/ adjective
/ˈlu:dəkrəs/ adjective [more ludicrous; most ludicrous] : very foolish : ridiculous
▪ ludicrous ideas/thoughts ▪ a ludicrous statement/suggestion ▪ It's ludicrous [=absurd] to think that he can solve these problems himself.
▪ ludicrous ideas/thoughts ▪ a ludicrous statement/suggestion ▪ It's ludicrous [=absurd] to think that he can solve these problems himself.
— lu·di·crous·ly adverb
▪ a ludicrously improbable idea
▪ a ludicrously improbable idea
— lu·di·crous·ness noun [noncount]
