General opposites:
* Undescribe: This word is rarely used, but it directly implies the act of removing a description.
* Obscure: This means to make something unclear or difficult to understand.
* Conceal: This means to hide or keep something secret.
* Disguise: This means to change the appearance of something so it is not recognizable.
Contextual opposites:
* Ignore: If you are asked to describe something, ignoring it would be the opposite.
* Misrepresent: If you describe something inaccurately, this would be the opposite of a truthful description.
Other possibilities:
* Misinterpret: This suggests understanding something incorrectly.
* Misunderstand: Similar to misinterpret, this means to get the meaning wrong.
The best opposite for "describe" will depend on the specific context and what you're trying to convey.