• unrennable,
• unrunneble,
• unrunnible,
• unrunnabel,
• unrunnaable,
• unrunnablee,
• unrnuunable,
• urnunnable,
• unrunnabblle,
• unrrunnable

• unremitting,
• unrefined,
• unrelenting,
• unremarkable,
• unreserved,
• unrivaled,
• unreasonable,
• unreasonably,
• unruly,
• unresponsive,
• unrelated,
• unresolved,
• unreliable,
• unrestrained,
• unrecovered,
• unrestricted,
• unripened.

The adjective form of the word "unrunnable" is "unrunnable".

The plural form of "unrunnable" is "unrunnables".

The singular form of the word "unrunnable" is "unrunnable". This word does not have a distinct singular form, as it is an adjective that describes something that cannot be run.