What is another word that means ridiculous?

Here are some other words that mean ridiculous, depending on the specific nuance you want to convey:

General:

* Absurd

* Ludicrous

* Preposterous

* Outrageous

* Inconceivable

* Unbelievable

* Nonsensical

* Farcical

Humorous:

* Hilarious

* Amusing

* Funny

* Silly

* Daft

Negative:

* Foolish

* Stupid

* Crazy

* Insane

* Utter nonsense

Formal:

* Inane

* Implausible

* Unreasonable

* Unsound

The best word to use will depend on the specific context and the tone you want to convey.