Direct opposites:
* Uneditable: This is the most direct opposite, meaning something cannot be edited or changed.
* Immutable: This implies a state of being unchangeable.
Other relevant options:
* Read-only: This means something can be viewed but not altered.
* Fixed: Indicates that something is set and cannot be modified.
* Static: Implies a lack of change or movement.
* Final: Suggests that the content is complete and cannot be edited further.
The best word to use depends on the specific situation and the meaning you want to convey.