1. undub - Noun
2. undub - Verb
(transitive) To withdraw a knighthood from.
(transitive, video games) To unofficially modify (a video game) so as to restore the original spoken audio that had been localized for export, while retaining the translated text of the target language.
undub (plural undubs)
(video games) A version of a video game that has been modified in this way.