What is the abbreviation for word application?

There isn't a universally accepted abbreviation for "application."

However, depending on the context, you could use:

* App: This is the most common abbreviation, especially for software applications used on mobile devices.

* Appl: This is a more formal abbreviation that is sometimes used in writing.

* Applic: This is a less common abbreviation, but it can be used if you need to be more specific about the word "application."

The best abbreviation to use will depend on the specific situation.