third grade; third class; tertiary
lower grade; low class; junior (officer)
advanced level; high grade; senior
dreadnought class (of warship)
high class; high grade; high rank; seniority
(social) class; rank; grade
highest grade; superlative degree
grade; class; degree; magnitude
largest class; top category
low grade; vulgar; low class; cheap; low level
decapitated head of an enemy
second grade; second class; secondary
catastrophe-level; catastrophical
the same grade; same class
top notch; first rate; top-of-the-line; leading
heavyweight (esp. boxing); heavyweight division
open-weight (unclassified) division (category)
geometric (progression, etc.)
upper classes; high society
trauma inducing; traumatizing; extremely scary (of movies, etc.)
lightweight (e.g. boxing)
comparative; comparative degree
the third estate; the bourgeoisie
one's former grade; positive grade
welterweight class (boxing)
taking special classes (for handicapped students)
classification (of particles, using fluid resistance)
ambassador-level conference
prefecture-level city (of China)
county-level city (of China)
ranking system based on dan and kyū (in martial arts, go, shogi, etc.)
ranking system based on dan and kyū (in martial arts, go, shogi, etc.)
super welterweight (boxing, etc.)
second-degree murder (in US, etc. law)