highest-grade

Adjective

high-grade (comparative higher-grade, superlative highest-grade)

1. Of high quality, particularly good.
   • The high-grade ore was much more profitable than lower-grade ore.

   Antonyms:

   low-grade

2. Severe.
   • This chapter on high-grade pelvic prolapse by Phillip Toozs Hobson and Amallia Brair concisely reviews prevalence, risk factors, conservative and surgical management options, surgical complications and prevention. High-grade prolapse is a particularly challenging clinical scenario because it...2021 April 14, Una Lee, “High-Grade Prolapse”, in Female Pelvic Medicine. Challenging Cases with Expert Commentary, →DOI, →ISBN, pages 209–215

   Antonyms:

   low-grade