Definitions

1. adjective

of or characteristic of a high standard of quality or luxury

“The upmarket store sold designer clothing at exorbitant prices.”

2. noun

a person or business that operates at a high standard of quality or luxury

“The upmarket restaurant offered a range of fine dining options.”

3. adverb

in a way that is characteristic of a high standard of quality or luxury

“She travelled upmarket on her vacation, staying in luxurious hotels and resorts.”