The difference between Absurd and Ridiculous

When used as adjectives, absurd means contrary to reason or propriety, whereas ridiculous means deserving of ridicule.

Absurd is also noun with the meaning: an absurdity.

check bellow for the other definitions of Absurd and Ridiculous

Absurd as an adjective:

Contrary to reason or propriety; obviously and flatly opposed to manifest truth; inconsistent with the plain dictates of common sense; logically contradictory; nonsensical; ridiculous; silly.
Absurd as an adjective (obsolete):

Inharmonious; dissonant.
Absurd as an adjective:

Having no rational or orderly relationship to people's lives; meaningless; lacking order or value.
Absurd as an adjective:

Dealing with absurdism.

Absurd as a noun (obsolete):

An absurdity.
Absurd as a noun (philosophy, often preceded by {{m, the):

}} The opposition between the human search for meaning in life and the inability to find any; the state or condition in which man exists in an irrational universe and his life has no meaning outside of his existence. }}

Ridiculous as an adjective:

Deserving of ridicule; foolish; absurd.

Examples:

"That hairstyle looks ridiculous."

"It's ridiculous to charge so much for a little souvenir."

"You make ridiculous statements a lot, like saying that UFOs are real."