high-grade

adjective

ˈhī-ˈgrād 

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

Overall, the Pixel 10 Pro feels well-constructed with high-grade materials that help justify its price tag. —PC Magazine, 4 Sep. 2025

The involvement of Esparto volunteer firefighter Craig Cutright — a longtime Devastating producer who later founded BlackStar — raised questions about why the site was permitted to hold high-grade explosives without required inspections or permits. —Daniel Lempres, Sacbee.com, 29 Aug. 2025

Like the rest of iFi Audio products, this latest device has stage-by-stage circuitry that uses discrete and high-grade electrical components to ensure the best sound quality possible. —Mark Sparrow, Forbes.com, 27 Aug. 2025

Mimosa flights come with high-grade champagne, four glasses and a choice of numerous flavorings and a choice of numerous juices, including peach, coconut, watermelon, pomegranate, and kiwi. —Pamela McLoughlin, Hartford Courant, 19 Aug. 2025

Word History

First Known Use

1826, in the meaning defined at sense 1

Rhymes for high-grade

• afraid
• allayed
• arcade
• arrayed
• assayed
• barmaid
• betrayed
• blockade
• bridesmaid
• brigade
• brocade
• buffeted

Kids Definition

high-grade

adjective

ˈhī-ˈgrād

: of a better grade or quality

Medical Definition

high-grade

adjective

ˈhī-ˈgrād 

: 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