Meaning : Hard to deal with. Especially causing pain or embarrassment.
Example :
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.
Synonyms : awkward, sticky, unenviable
Meaning : Causing to feel shame or chagrin or vexation.
Example :
The embarrassing moment when she found her petticoat down around her ankles.
It was mortifying to know he had heard every word.
Synonyms : mortifying