* Spoken: This is the most common antonym, referring to communication through sound rather than writing.
* Oral: Similar to "spoken," this emphasizes the spoken word.
* Verbal: This is a broader term that encompasses both spoken and written communication.
* Unwritten: This emphasizes the absence of written form, suggesting something passed down through tradition or oral history.
* Implied: This suggests something understood without being explicitly written.
* Visual: This refers to communication through images, symbols, or other non-written forms.
Example:
* "The contract was written, not spoken."
* "The rules were unwritten, passed down through generations."
* "The agreement was implied, not written."
The best antonym will depend on the specific meaning you want to convey.