Synonyms of high-gradenext
1
: of superior grade or quality
high-grade bonds
2
a
: being near the upper or most favorable extreme of a specified range
b
: medically serious or life-threatening
a high-grade tumor

Examples of high-grade in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Low-grade astrocytomas are more common in children, while high-grade astrocytomas, such as glioblastoma, tend to grow and spread within the brain and spinal cord quickly and are more common in adults. Angeline Jane Bernabe, ABC News, 28 Aug. 2026 The swivel is made of high-grade metal, and the bag is made with super durable Maya hide leather. Bestreviews, Chicago Tribune, 18 Aug. 2026 Amid ongoing concerns, district officials have assured parents schools are safe, campuses have been sanitized and high-grade air filters installed. Howard Blume, Los Angeles Times, 12 Aug. 2026 Most of it is bigeye and yellowfin tuna, which is sold fresh as high-grade fish used in poke and sushi. NPR, 3 Aug. 2026 See All Example Sentences for high-grade

Word History

First Known Use

1826, in the meaning defined at sense 1

Time Traveler
The first known use of high-grade was in 1826

Cite this Entry

“High-grade.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-grade. Accessed 1 Sep. 2026.

Kids Definition

high-grade

adjective
ˈhī-ˈgrād
: of a better grade or quality

Medical Definition

: being near the upper, most serious, or most life-threatening extreme of a specified range
high-grade gliomas
high-grade cervical dysplasia
compare low-grade

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