形容詞 ludicrous:

1. broadly or extravagantly humorous; resembling farce
   同義詞：farcical, ridiculous
2. incongruous;inviting ridicule
   同義詞：absurd, cockeyed, derisory, idiotic, laughable, nonsensical, preposterous, ridiculous

1. A ludicrous or extravagant act or gesture; a caper.
   滑稽動作滑稽夸張的動作或姿勢; 怪誕動作
2. It is ludicrous to call a simple split-level house a mansion.
   把一座簡樸的錯層式的房子叫做大廈真太可笑了
3. His idea is ludicrous.
   他的想法很荒唐。
4. He made many ludicrous mistakes in his speech.
   他的演講中有許多可笑的錯誤。

lu.di.crous

adj.（形容詞）
Laughable or hilarious because of obvious absurdity or incongruity.See Synonyms at foolish
可笑的：由于明顯的荒謬或不協(xié)調(diào)而使發(fā)笑或可笑的參見 foolish

來源：
From Latin lôdicrus [sportive]
源自 拉丁語 lôdicrus [運動的]
from lôdus [game] * see leid-
源自 lôdus [游戲] *參見 leid-

【引伸】
lu.dicrously
adv.（副詞）
lu.dicrousness
n.（名詞）