What are antonyms of prewriting?

It's tricky to find true antonyms for "prewriting" because it's a process, not a concrete thing. However, depending on the context, some words that express the opposite idea could be:

Focusing on the "pre" part:

* Postwriting: This emphasizes the stage *after* the writing is complete.

* Revising: This highlights the stage of reviewing and improving the written work.

* Finalizing: This implies the stage of making the writing complete and ready for publication or submission.

Focusing on the "writing" part:

* Speaking: This emphasizes verbal communication rather than written communication.

* Thinking: This emphasizes the process of forming ideas before they are put into words.

* Acting: This emphasizes doing something rather than writing about it.

Ultimately, the best antonym for "prewriting" depends on the specific context and what you want to emphasize.