터무니없거나 불합리하여 비웃음을 살 정도로 우스꽝스러운.
So foolish, unreasonable, or out of place as to be amusing or ridiculous.
예문:
"It is ludicrous to think that you can finish this entire project in just ten minutes."
"The price they are asking for that old, broken bicycle is absolutely ludicrous."
"She found the plot of the movie so ludicrous that she couldn't stop laughing."