OK. Rank it like this:
Masterpiece - No bad tracks, personal significance, can be played extensively and not lose its charm. Rare.
Great - No bad tracks, universally acclaimed, personal significance, can be played four or five times without slowing down.
Good - One or two average-bad tracks, well-liked, personal significance, can be played one or two times with enjoyment.
Average - Mediocre release that appeals rarely (either in comparison to other albums in discography or in general - your call). Can be played once and lead to mild enrichment.
Bad - Bad release not worth the first listen.
Terribad - To be actively shunned. Rare.