Synonyms of 1st Class in English :
Antonyms of 1st Class in English
Thesaurus of 1st Class in English
1st Class
see definition of 1st classSynonyms of 1st class
1. (noun) mail that includes letters and postcards and packages sealed against inspection
Hyponyms of 1st class
1. (noun) mail that includes letters and postcards and packages sealed against inspection
Hypernyms of 1st class
1. (noun) mail that includes letters and postcards and packages sealed against inspection