Something which causes grief.
A formal complaint, especially in the context of a unionized workplace.
Feelings of being wronged; outrage.
A wrong or hardship suffered, which is the grounds of a complaint.
Violation of regulations or objectionable behavior.
A complaint or annoyance.
A low, mournful sound uttered in pain or grief.
A low, guttural sound uttered in frustration, disapproval, or ecstasy.
A low creaking sound from applied pressure or weight.
To seemingly creak under the strain of being heavily laden.
To make a groan.