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Synonyms

high-grade

American  
[hahy-greyd] / ˈhaɪˈgreɪd /

adjective

  1. of excellent or superior quality.

  2. (of ore) yielding a relatively large amount of the metal for which it is mined.


verb (used with object)

high-graded, high-grading
  1. to steal (rich ore) from a mine.

Other Word Forms

  • high-grader noun

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.

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

Hardie has a reputation as a high-grade tactician and shot maker, while McMillan and Lammie are credited with reinventing the role of a sweeper.

From BBC • Feb. 20, 2026

After a severe, high-grade hamstring tear, Matheson was told by surgeons he might never play again, which prompted him to consider a life away from the football pitch.

From BBC • Feb. 16, 2026

Hyperscalers issued over $120 billion in high-grade bonds last year, a sevenfold increase from the previous year, to fund AI infrastructure.

From Barron's • Jan. 15, 2026

It is extensively cut into lumber for interior and exterior trim, vehicle bodies, veneers, turnery and other high-grade uses.

From Forest Trees of Illinois How to Know Them by Fuller George D.