What are antonyms for the word prewriting?

There isn't a single perfect antonym for "prewriting," as it describes a specific stage in the writing process. However, depending on the context, you could use words that convey the opposite idea:

Focusing on the "before writing" aspect:

* Post-writing: This refers to activities that occur *after* the writing is finished, like editing or publishing.

* Finalizing: This suggests the completion of the writing process.

* Publishing: This focuses on the act of making the written work public.

Focusing on the "planning" aspect:

* Improvisation: This suggests writing spontaneously without any planning.

* Spontaneity: This emphasizes a lack of premeditation or preparation.

* Unprepared: This indicates a lack of planning or preparation.

Focusing on the "thinking" aspect:

* Unthinking: This suggests writing without careful thought or consideration.

* Mindless: This implies writing without any intellectual engagement.

* Thoughtless: This indicates a lack of deliberate reflection or planning.

Ultimately, the best antonym for "prewriting" will depend on the specific context and the intended meaning.