If "delve" means to explore or investigate deeply:
* Superficial: This implies a shallow or surface-level approach.
* Skim: This suggests a quick and light exploration.
* Ignore: This is a complete opposite, meaning to pay no attention at all.
* Neglect: This suggests deliberate avoidance or lack of attention.
If "delve" means to dig into something:
* Cover: This means to hide or conceal something.
* Fill: This could be the opposite of "delving" into a hole, for example.
If "delve" means to search or look for something:
* Leave alone: This suggests not trying to find something.
* Disregard: This means to pay no attention to something.
Ultimately, the best antonym for "delve" will depend on the specific context in which you are using the word.