Definitions of crooked:

• adjective:   having or marked by bends or angles; not straight or aligned

  Example: "Crooked country roads"

• adjective:   not straight; dishonest or immoral or evasive
• adjective:   irregular in shape or outline

  Example: "A dress with an crooked hemline"

• adjective:   having the back and shoulders rounded; not erect
• name:  A surname (very rare: popularity rank in the U.S.: #52322)