1. 不值得羡慕的；令人不快的；尴尬的
If you describe a situation or task as unenviable, you mean that nobody would enjoy dealing with it because it is very difficult, dangerous, or unpleasant.

1. so undesirable as to be incapable of arousing envy

e.g. unenviable notoriety

2. hard to deal with
especially causing pain or embarrassment

e.g. awkward (or embarrassing or difficult) moments in the discussion
an awkward pause followed his remark
a sticky question
in the unenviable position of resorting to an act he had planned to save for the climax of the campaign

Synonym: awkwardembarrassingsticky