1) Another form is not as good 2) Inferior 3) Like mailed periodicals, once 4) Next form is inferior 5) Not fully respected 6) Not of the highest quality 7) Not the best 8) Shoddy, inferior Found on https://www.crosswordclues.com/clue/second-class
Second class generally indicates a secondary level of service or importance. Specific uses of the term include: ... Found on http://en.wikipedia.org/wiki/Second_class
Sec'ond-class` adjective Of the rank or degree below the best or highest; inferior; second-rate; as, a second-class house; a second-class passage. Found on http://www.encyclo.co.uk/webster/S/51