Definitions of fixed:

• adjective:   fixed and unmoving

  Example: "With eyes set in a fixed glassy stare"

• adjective:   incapable of being changed or moved or undone

  Example: "Living on fixed incomes"

• adjective:   directed with intense concentration

  Example: "A fixed stare"

• adjective:   (of a number) having a fixed and unchanging value
• adjective:   securely placed or fastened or set

  Example: "A fixed piece of wood"

• adjective:   specified in advance
• adjective:   not increasing as the amount taxed increases
• adjective:   intent and directed steadily

  Example: "A fixed expresson"

• adjective:   mended or put in working order

  Example: "The broken lock is now fixed"