The following scale is used on grapeobserver.com to record the quality of wine.
Outstanding wines are wines that sit on top of the qualitative pinnacle due to length on the finish, complexity of expression, intensity of fruit, resounding typicity and harmonious balance.
Very Good wines are wines that have special attributes such as long length, complexity, intensity of fruit, typicity and balance.
Good wines are wines of interest that show typicity and balance.
Acceptable wines are sound, everyday and unremarkable wines that are fault free.
Faulty wines are not normally reviewed. Cork taint, brettanomyces, volatile acidity and oxidation may be a reason.
The recording scale is intended to supplement the more important description of the wine.