(of an idea or suggestion) wildly unreasonable, illogical, or inappropriate
Extremely unpleasant, horrifying, or terrible
ADJECTIVE
Absurd - (of an idea or suggestion) wildly unreasonable, illogical, or inappropriate
When Edwin Hubble in 1929 suggested that some of the little dots of light in the sky were other galaxies, many people though the idea was absurd, but he was proven to be correct.