High-hat and Upper

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

Upper and high-hat are semantically related. In some cases you can use "Upper" instead an adjective phrase "High-hat".

Upper adjective - Higher in place or position.

High-hat and upper are semantically related. Sometimes you can use "High-hat" instead an adjective "Upper".