As a Verb or Adjective:
1. To not desire something (or no longer find something desirable) because it has too much of some quality. English = (be) not keen on.
2. Of something, to have too much of some quality so that it is not desirable or is no longer desirable. English = (be) disagreeable.
As Modifier:
1. Used before some noun signs to mean there is a lot or too much of that thing.