nonsensical vs ludicrous

nonsensical and ludicrous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
nonsensical	No	Yes	No	No
ludicrous	No	Yes	No	No

As adjectives, nonsensical and ludicrous are synonyms defined as:

Other synonyms of nonsensical include absurd, cockeyed, derisory, idiotic, laughable, preposterous, ridiculous.

nonsensical (adjective)	ludicrous (adjective)
so unreasonable as to invite derision	so unreasonable as to invite derision
having no intelligible meaning	broadly or extravagantly humorous; resembling farce