high-grade

adjective
\ˈhī-ˈgrād \

Definition of high-grade 

1 : of superior grade or quality high-grade bonds

2a : being near the upper or most favorable extreme of a specified range

b : medically serious or life-threatening a high-grade tumor

First Known Use of high-grade

1826, in the meaning defined at sense 1

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The first known use of high-grade was in 1826

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More Definitions for high-grade

high-grade

adjective

English Language Learners Definition of high-grade

: of a very good quality

: medically serious : relating to a dangerous medical condition

high-grade

adjective
\ˈhī-ˈgrād \

Medical Definition of high-grade 

: 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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