Coarse and Second class

Coarse adjective - Made up of large particles.

Second class and coarse are semantically related. In some cases you can replace phrase "Second class" with "Coarse", this terms are similar.

Nearby Words: coarseness, coarsened, coarsely, coarsening

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

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