What is the antonym of application?

There isn't a single perfect antonym for "application" because it can have several meanings. Here are some possibilities depending on the context:

If you're talking about a formal request:

* Rejection

* Denial

* Disapproval

If you're talking about a software program:

* Removal

* Uninstall

* Deletion

If you're talking about the act of applying something:

* Removal

* Withdrawal

* Discontinuation

If you're talking about diligence and effort:

* Neglect

* Apathy

* Indifference

If you're talking about a practical use or purpose:

* Impracticality

* Futility

* Pointlessness

The best antonym will depend on the specific context in which you are using the word "application."