Ludicrousness is a word used to describe something that is ridiculous or absurd. It can be helpful to know synonyms for this word, as it may be overused in writing or speech. One synonym for ludicrousness is absurdity, which refers to something that is illogical or irrational. Another synonym is preposterousness, which suggests an idea or situation that is both ridiculous and beyond belief. Other possible synonyms for ludicrousness include farce, nonsense, and foolishness. Ultimately, the choice of synonym depends on the context in which it is being used and the desired tone or emphasis of the writing or speech.