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