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Definitions

marker

[mahr-ker] / ˈmɑr kər /
NOUN
a writing instrument
Synonyms




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.

They drew a line on my arm with a marker to track the infection’s progress.

From The Wall Street Journal • Apr. 17, 2026

Ideaya’s treatment targets an aggressive form of uveal melanoma that generally has a poor prognosis because it occurs in patients who lack the genetic marker to receive typical immunotherapy.

From Barron's • Apr. 13, 2026

The cease-fire reached between the U.S. and Iran on Tuesday night offer a marker to show what has, and what has not, shifted in global financial markets.

From MarketWatch • Apr. 8, 2026

Sinha's interest in the fasting mimicking diet came from earlier research showing it could lower levels of C-reactive protein, a marker of inflammation, in people with elevated baseline levels.

From Science Daily • Apr. 3, 2026

In red marker, they put a heart in the middle of the Hideout.

From "A Soft Place to Land" by Janae Marks