Robust and Upper-class

Robust adjective - Enjoying health and vigor.

Upper-class and robust are semantically related In some cases you can use "Upper-class" instead an adjective "Robust".

Nearby Words: robustness, robustly

Upper-class adjective - Of high birth, rank, or station.

Robust and upper-class are semantically related in successful topic. Sometimes you can use "Robust" instead an adjective phrase "Upper-class".