If "inscribe" means to write or engrave words on a surface:
* Erase: To remove writing or markings.
* Delete: To remove information from a digital or physical record.
* Blank out: To make a surface empty of writing.
* Obliterate: To destroy or remove completely, leaving no trace.
If "inscribe" means to formally register or enter into a record:
* Delete: To remove from a record.
* Remove: To take something off a list or record.
* Unregister: To cancel a registration.
* Expunge: To remove completely from a record, especially official records.
If "inscribe" means to dedicate something to someone:
* Disown: To refuse to acknowledge someone as your own.
* Reject: To refuse to accept someone or something.
* Renounce: To formally give up something, like a claim or right.
The best antonym will depend on the specific meaning of "inscribe" in your sentence.