Adjectives

(a)fixedsecurely placed or fastened or set“a fixed piece of wood”, “a fixed resistor”
(s)fixed(of a number) having a fixed and unchanging value
(s)fixed, set, rigidfixed 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”
(s)fixed, frozenincapable of being changed or moved or undone; e.g. "frozen prices"“living on fixed incomes”