If "show" means to display or present:
* Hide: This is a general antonym for showing something.
* Conceal: Similar to hide, but with a sense of intentionality.
* Suppress: This implies actively preventing something from being seen or known.
* Mask: This suggests covering something up or hiding its true nature.
If "show" means to demonstrate or prove:
* Disprove: This is the most direct antonym, meaning to prove something is false.
* Refute: This implies providing evidence to contradict a claim.
* Deny: This means to state that something is not true.
If "show" means a performance or spectacle:
* Silence: This refers to the absence of any performance or entertainment.
* Plainness: This suggests a lack of spectacle or grand display.
* Invisibility: This implies something is not noticeable or seen.
Other possibilities:
* Ignore: This suggests not paying attention to something being shown.
* Dismiss: This implies rejecting or disregarding something.
* Reject: This means to refuse to accept something.
To choose the best antonym, you need to consider the specific meaning of "show" in the context you are using it.