Dangerous, full of peril.
Unpleasant; disagreeable; likely to cause trouble or loss.
Displeasing to the ear or some other sense.
Displeasing to the eye; aesthetically unpleasing.
Ill-natured; crossgrained; quarrelsome.
Offensive to one's sensibilities or morality.
To make ugly (sometimes with up).
An ugly person or thing.
Any product whose size and shape prevents it from fitting neatly on a pallet.
Ugliness.