incapable of being changed or moved or undone; e.g. "frozen prices"; "living on fixed incomes"
(of a number) having a fixed and unchanging value
securely placed or fastened or set; "a fixed piece of wood"; "a fixed resistor"
fixed and unmoving; "with eyes set in a fixed glassy stare"; "his bearded face already has a set hollow look"- Connor Cruise O'Brien; "a face rigid with pain"
belonging to times long past especially of the historical period before the fall of the Western Roman Empire; "ancient history"; "ancient civilizations such as those of the Etruscans and Sumerians"; "ancient Greece"
a device designed to provide additional strength; "the cardboard backing was just a strengthener"; "he used gummed reinforcements to hold the page in his notebook"