piece of work noun2 •A product or manufactured article, especially an item of art or craft.What a piece of work is a man! how noble in reason! how infinite in faculty! — 1599 •(disapproving) A person who has a strong and unusual personality, especially one with seriously unpleasant character flaws.Ugh! She's a piece of work. "A rotten, bad piece, I'd call it," answered Wheedles under his breath. — 1911 formspieces of work