SAT TOEFL IELTS ludicrous Definition Ludicrous means so absurd or ridiculous that it is amusing. Example "It’s ludicrous to think that penguins can fly." Sign in to save SAT Quiz → TOEFL Quiz → IELTS Quiz → ← lucrative lugubrious → Study tips featuring "ludicrous" Map Each Word Into a Connected Network Map the Author's Attitude Before Reading Questions Audit Your Own Writing for Lexical Resource Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal