Ritzy and Upscale

Ritzy adjective - Being or characteristic of a person who has an offensive air of superiority and tends to ignore or disdain anyone regarded as inferior.

Upscale and ritzy are semantically related In some cases you can use "Upscale" instead an adjective "Ritzy".

Upscale adjective - Appealing to affluent consumers.

Ritzy and upscale are semantically related in luxurious topic. You can use "Ritzy" instead an adjective "Upscale", if it concerns topics such as high-priced, stylish, fashionable, affluent.