high-grade
Americanadjective
-
of excellent or superior quality.
-
(of ore) yielding a relatively large amount of the metal for which it is mined.
verb (used with object)
Other Word Forms
Etymology
Origin of high-grade
First recorded in 1875–80
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.
Along with its broad vaccination programme - which in 2013 was expanded to include boys, who can be carriers of the virus - it also has a high-grade screening scheme.
From BBC • May 1, 2026
Following tests, Romero is now expected to miss up to eight weeks with a high-grade partial tear of his medial cruciate ligament.
From BBC • Apr. 13, 2026
KoBold probed deeper underground than others had looked and discovered a vast deposit of high-grade copper.
From The Wall Street Journal • Mar. 28, 2026
Premiums on hyperscaler bonds over Treasuries have risen by 0.15 to 0.6 percentage point, while broad high-grade spreads increased by 0.05 point.
From Barron's • Jan. 15, 2026
A good deal of discretion is, however, necessary when you salt a poor mine with high-grade ore.
From A Damaged Reputation by Bindloss, Harold
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.