Lowly and Second-class

Lowly adjective - Belonging to the class of people of low social or economic rank.

Second-class and lowly are semantically related. In some cases you can use "Second-class" instead an adjective "Lowly".

Nearby Word: lowliness

Second-class adjective - Of little or less value or merit.

Lowly and second-class are semantically related. Sometimes you can use "Lowly" instead an adjective phrase "Second-class".