Fixedness is a related term of steadiness.
As nouns the difference between fixedness and steadiness
is that fixedness is the state or condition of being fixed while steadiness is the state of being steady.
fixedness
English
Noun
The state or condition of being fixed.
Synonyms
* fixity
* (dated) fixety
steadiness
English
Noun
(-)
the state of being steady
the degree of stability
Antonyms
* unsteadiness