Dictionary.com
Thesaurus.com
Synonyms

unmarked

American  
[uhn-mahrkt] / ʌnˈmɑrkt /

adjective

  1. not marked.

  2. Linguistics.

    1. characterized by the absence of a distinctive phonological feature, as (p), which, in contrast to (b), lacks the distinctive feature of voicing.

    2. characterized by the absence of a grammatical marker, as the singular in English in contrast to the plural, which is typically marked by an -s ending.

    3. neutral with regard to an element of meaning specified by a semantically related item.

    4. occurring more typically than an alternative form.


unmarked British  
/ ʌnˈmɑːkt /

adjective

  1. not carrying a mark or marks

    an unmarked police car

  2. not noticed or observed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of unmarked

late Middle English word dating back to 1400–50; see origin at un- 1, marked

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The lab, housed in an unmarked office in a D.C. suburb, had access to the government’s most sensitive databases, from suspicious activity reports to arrest records.

From Salon Aug. 15, 2026

Officials were vague about George W. Bush’s whereabouts immediately after the Sept. 11 attacks, and Bill Clinton took an unmarked plane from India to Pakistan in 2000.

From Slate Aug. 11, 2026

Ahmadzai arrived back in court in Athens on Thursday morning in an unmarked Grey car.

From BBC Aug. 6, 2026

Javier Ramirez was handcuffed in the back of an unmarked car, bruised and confused, when immigration agents used a word he had never heard before.

From Los Angeles Times Jul. 31, 2026

The clumsy examples above show that long and complicated subjects are best left unmarked, whereas simpler ones like pronouns work well in the genitive, as in I appreciate your coming over to help.

From "The Sense of Style" by Steven Pinker

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training