Nouns

(n)express, express mailmail that is distributed by a rapid and efficient system
(n)express, limitedpublic transport consisting of a fast train or bus that makes only a few scheduled stops“he caught the express to New York”
(n)express, expressagerapid transport of goods

Verbs

(v)express, show, evincegive expression to“She showed her disappointment”
(v)express, verbalize, verbalise, utter, give tongue toarticulate; either verbally or with a cry, shout, or noise“She expressed her anger”, “He uttered a curse”
(v)carry, convey, expressserve as a means for expressing something“The painting of Mary carries motherly love”, “His voice carried a lot of anger”
(v)express, stateindicate through a symbol, formula, etc.“Can you express this distance in kilometers?”
(v)expressmanifest the effects of (a gene or genetic trait)“Many of the laboratory animals express the trait”
(v)press out, express, extractobtain from a substance, as by mechanical action“Italians express coffee rather than filter it”
(v)expresssend by rapid transport or special messenger service“She expressed the letter to Florida”

Adjectives

(s)expressnot tacit or implied“her express wish”
(s)expresswithout unnecessary stops“an express train”, “an express shipment”

Adverbs

(r)expressby express“please send the letter express”