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

Simply clamp the Smart Jumper Cables with the mini flashlight directly onto the vehicle battery terminals and let the powerful 29600mWh (8000mAh) 4-cell, high-grade lithium-polymer battery do the work. — ABC News, 8 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

More than 1,700 high-grade filters were installed, air purifiers were purchased for every classroom, and surfaces inside and outside were tested for heavy metals, ammonia, and toxins. — Joy Benedict, CBS News, 31 July 2026

District officials say classrooms are safe, touting intensive cleaning, air and dust testing, new high-grade filters and the possibility of indoor-only schedules. — Howard Blume, Los Angeles Times, 30 July 2026

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