We found one dictionary that defines the word sub-niches:

General (1 matching dictionary)

1. sub-niches: Merriam-Webster

Types: micro-niches, nano-niches, sub-sub-niches, more... ▸ Words similar to sub-niches ▸ Usage examples for sub-niches ▸ Idioms related to sub-niches ▸ Wikipedia articles (New!) ▸ Words that often appear near sub-niches ▸ Rhymes of sub-niches ▸ Invented words related to sub-niches