The antonyms for the word "art plausible" are a combination of words that indicate the opposite of being reasonable or credible. These words include unbelievable, improbable, illogical, irrational, and absurd. While "art plausible" suggests a work of art that is well-crafted and believable, these antonyms indicate a work that is poorly made or lacks believability. When used in a critical context, "art plausible" can indicate that a work of art is lacking in creativity or depth, while its antonyms suggest that the work is simply nonsensical or poorly executed. Overall, these antonyms provide a useful set of tools for describing the quality and believability of any artistic creation.