The word "reshown" means to show something again, indicating a repetition of an act or event. The antonyms for "reshown" would relate to actions of hiding, concealing, or covering up something. Some of the antonyms could be obscured, veiled, or concealed, which suggest actions of hiding or covering up something. Other antonyms could be suppressed, repressed, or controlled, which imply actions of holding back or restraining something. These words have opposite meanings to "reshown," which involves displaying or revealing something. Therefore, choosing the right antonym would depend on the context and the intended meaning of the sentence.