Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
It's been established in that, on Gallifrey, only Time Lords have the ability to regenerate, while lower born Gallifreyans don't have the same luxury.
Source: https://screenrant.com/doctor-who-time-lords-war-regeneration-weapon-theory/