Low-set and Rock-bottom

Low-set adjective - Lower than average.

Rock-bottom and low-set are semantically related in short topic. In some cases you can use "Rock-bottom" instead an adjective phrase "Low-set".

Rock-bottom adjective - Of, relating to, or located at the bottom.

Low-set and rock-bottom are semantically related in short topic. Sometimes you can use "Low-set" instead an adjective phrase "Rock-bottom".