unmarked

adjective

un·​marked ˌən-ˈmärkt 

: not marked: such as

a

: not having an identifying mark or distinctive notation

"I want five thousand dollars in unmarked singles."

—Ed McBain

… an unmarked storefront on Melrose Avenue.

—Gerri Hirshey

an unmarked grave

an unmarked police car

b

of a road : not having a marker giving a street name or route number

… an unmarked, graveled road running parallel with the levee.

—American Guide Series: Louisiana

c

: not noticed : unobserved

To let the death of such a man go unmarked would be, for one offense, to slight ourselves.

—Stanley Kauffmann

d

: not characterized

wrote political articles unmarked by a regard for truth

The Christmas season passed, unmarked by any rejoicing.

—Elizabeth George Speare

Examples of unmarked in a Sentence

Recent Examples on the Web

Tuesday’s hearing also examined a high-speed car chase on Chicago’s East Side in October in which agents in an unmarked vehicle chased a Ford Escape, crashed and then ran into a Walgreens to handcuff a person as witnesses yelled in protest. —Olivia Olander, Chicago Tribune, 28 Apr. 2026

But the system provided no way for drone operators to avoid unmarked government vehicles in motion. —Jeremy Hsu, ArsTechnica, 28 Apr. 2026

Researchers have already spotted unmarked Silvery Blues, an indication that some are being born here, not just brought in. —Itay Hod, CBS News, 28 Apr. 2026

Two plainclothes officers who were driving west in an unmarked vehicle witnessed the shooting and leaped from the car to chase Negron on foot. —Colin Mixson, New York Daily News, 27 Apr. 2026

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for unmarked

• disembarked
• watermarked
• barked
• marked
• parked
• sparked
• benchmarked
• earmarked
• embarked
• infarct
• pockmarked
• postmarked