second class noun 3second-class adjective 2 noun3 •A class of travel, inferior to first class, superior to third class. •(UK) A class of postage with delivery times slower than first class. •The second-lowest rank in the Boy Scouts of America, between tenderfoot and first class. second-class adjective2 •Of a standard or grade one level below the best.a second-class train ticket, second-class postage, a second-class honours degree •Inferior in quality or standing.He complained he felt like a second-class citizen, but everyone felt put upon that day.Using second-class parts for the repair was false economy because they soon broke and had to be fixed again.
