hallmark
noun
an official mark or stamp indicating a standard of purity, used in marking gold and silver articles assayed by the Goldsmiths' Company of London; plate mark.
hallmarks
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pluralof hallmark.plural
The grammatical form denoting more than one person, place, thing, or idea.
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present tense formof hallmark (3rd person singular).present tense
Used to describe things happening now or regularly.
hallmarknounan official mark or stamp indicating a standard of purity, used in marking gold and silver articles assayed by the Goldsmiths' Company of London; plate mark.
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.
Could out-of-whack cortisol levels be to blame for all the symptoms I assumed were the basic hallmarks of living as an adult in 2026?
From Slate ● Oct. 9, 2026
In mice, researchers found that ImP reaching the brain increased the accumulation of abnormal beta amyloid and tau proteins, two major hallmarks associated with Alzheimer's disease.
From Science Daily ● Oct. 3, 2026
"Once we know that a customer is being defrauded we can spot the hallmarks very quickly and take steps to break that spell."
From BBC ● Sep. 29, 2026
There his life was devoid of high school hallmarks such as mingling and dating women, dances, and learning about the world through pop culture.
From Los Angeles Times ● Sep. 18, 2026
As elsewhere in the world, in China food production gradually led to the other hallmarks of “civilization” discussed in Chapters 11—14.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
