Stiff is a related term of contemptuous.
As adjectives the difference between stiff and contemptuous
is that
stiff is of an object, rigid, hard to bend, inflexible while
contemptuous is showing contempt; expressing disdain; showing a lack of respect.
As a noun stiff
is an average person, usually male, of no particular distinction, skill, or education, often a
working stiff''''' or ''lucky '''stiff .
As a verb stiff
is to fail to pay that which one owes (implicitly or explicitly) to another, especially by departing hastily.