courier

noun

cou·​ri·​er ˈku̇r-ē-ər 

ˈkər-ē-,

ˈkə-rē-

1

: messenger: such as

a

: a member of a diplomatic (see diplomatic sense 2) service entrusted with bearing messages

b(1)

: an espionage agent transferring secret information

(2)

: a runner of contraband (see contraband sense 2)

drug couriers

c

: a member of the armed services whose duties include carrying mail, information, or supplies

2

: a traveler's paid attendant

especially : a tourists' guide employed by a travel agency

Synonyms

• bootlegger
• contrabandist
• runner
• smuggler

Examples of courier in a Sentence

Police recently arrested a drug courier in our neighborhood.

A courier just left a package for you on the porch.

Recent Examples on the Web

Then, at the age of 23, came a life-altering courier flight to Europe. —Susmita Baral, Travel + Leisure, 17 June 2025

During college, Steed worked as a courier for the Ravinia Festival in Highland Park. —Karie Angell Luc, Chicago Tribune, 16 June 2025

National courier Canada Post has seen its own union delivery workers institute an overtime ban after failing to reach terms on a contract extension last month. —Glenn Taylor, Sourcing Journal, 16 June 2025

On-demand delivery has become a competitive market that logistics companies and e-commerce platforms have expanded into, often with heavy subsidies and piling several orders onto one courier. —Evelyn Cheng, CNBC, 15 June 2025

Word History

Etymology

borrowed from Middle French corier, courrier, borrowed from Italian corriere, from correre "to run" (going back to Latin currere) + -iere -ier — more at current entry 1

First Known Use

1579, in the meaning defined at sense 1

Phrases Containing courier

• vaunt-courier

Rhymes for courier

• furrier
• spurrier

Kids Definition

courier

noun

cou·​ri·​er ˈku̇r-ē-ər 

ˈkər-ē-,

ˈkə-rē-

: a messenger especially in the diplomatic service

Etymology

Middle English courrier "a person who carries (runs) messages from one place to another quickly," from early Italian corriere (same meaning), derived from Latin currere "to run" — related to current