A "niche market" refers to a small, specialized segment of consumers who have particular interests or needs. It represents a specific target audience that may not be catered to by mainstream products or services. Full definition
This is a very targeted niche market for you for meeting a lot of potentially interesting people, practicing your flirting and conversation skills. (aprilbraswell.com)
These types of niche market dating sites are doing very well. (advandate.com)