Formal:
* Unseen: Emphasizes that the text was not even viewed.
* Unviewed: Similar to "unseen," but can also apply to content other than text.
* Overlooked: Suggests that the text was perhaps missed or unintentionally ignored.
* Neglected: Implies a deliberate choice to not read the text.
* Disregarded: Indicates a conscious decision to ignore the text.
Informal:
* Skipped: Indicates the text was passed over.
* Missed: Suggests the text was not noticed or was not available.
* Passed on: Implies a choice to not read the text.
* Ignored: Indicates a deliberate choice to avoid reading the text.
* Didn't bother: Informal and suggests the text was not considered worth reading.
Specific to specific contexts:
* Unread: This is a straightforward option, but it's important to note that it doesn't specify why the text was not read.
* Unopened: This is specifically for emails, messages, or other unopened documents.
* Unscanned: This applies to emails or documents that were not scanned for content.
The best word to use will depend on the specific situation and the tone you want to convey.