Express_mailWordNet Explorer
Explore synonyms, antonyms, hypernyms, hyponyms, and semantic relationships for “express_mail” powered by Princeton WordNet.
noun
mail that is distributed by a rapid and efficient system
Words in this synset: express
noun
the bags of letters and packages that are transported by the postal service
noun
express mail carried by relays of riders on horseback; especially between Missouri and California around 1860