Second class and Unwashed

Second class noun - Not the highest quality in a classification.

Unwashed and second class are semantically related. in poor topic. In some cases you can use "Unwashed" instead an adjective phrase "Second class".

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

Second class and unwashed are semantically related. Sometimes you can replace phrase "Second class" with "Unwashed", this terms are similar.