upmarket adjective 1adverb 1verb 1forms 5 adjective1 •Designed for customers with a high income. adverb1 •Towards the more expensive end of the market.The hotel seems to have gone upmarket. verb1 •To render or become upmarket.[…] their flats and shops are upmarketed or pulled down to be replaced by hotels, offices and a privately owned park. — 1992 formsupmarketed · upmarketing · upmarkets · more upmarket · most upmarket