We found one dictionary that defines the word sub dialects:

General (1 matching dictionary)

1. sub-dialects: Merriam-Webster

▸ Words similar to sub dialects ▸ Usage examples for sub dialects ▸ Idioms related to sub dialects ▸ Wikipedia articles (New!) ▸ Words that often appear near sub dialects ▸ Rhymes of sub dialects ▸ Invented words related to sub dialects