Quality descriptions on random drop equipment, from lowest to highest
quality:

Low
Mediocre
Adequate
Middling
Acceptable
Satisfactory
Average
Moderate
Above average
Superior
Good
Fine
Exceptional
Very good
High
Extremely good
Very high
Great
Superb
Fantastic
Extremely high
Excellent
Incredible
Astonishing
Stunning
Breathtaking
Sublime
Unearthly
Unsurpassable
The best