If "display" refers to showing something:
* Conceal: To hide or keep secret.
* Hide: To put something out of sight.
* Suppress: To prevent something from being seen or known.
* Withhold: To refrain from giving or showing something.
If "display" refers to a visual presentation:
* Withdraw: To remove something from view.
* Remove: To take something away.
* Dismantle: To take something apart.
* Hide: To put something out of sight.
If "display" refers to a public showing:
* Private: Not open to the public.
* Secret: Kept hidden from others.
* Confidential: Intended to be kept secret.
If "display" refers to a behavior or attitude:
* Reserve: To be restrained or unwilling to show feelings or emotions.
* Subdue: To control or suppress something.
* Conceal: To hide or keep secret.
To determine the most appropriate antonym, consider the specific meaning of "display" in the context of the sentence or situation.