Immobile is a synonym of steadfast.
As adjectives the difference between immobile and steadfast
is that immobile is not mobile, not movable while steadfast is fixed or unchanging; steady.
immobile
Adjective
(-)
not mobile, not movable
fixed, unable to be moved
Synonyms
* fixed
* sessile (botany)
* unmovable
Antonyms
* mobile
Related terms
* immobility
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steadfast
English
Alternative forms
* stedfast (obsolete)
Adjective
(en-adj)
Fixed or unchanging; steady.
Firmly loyal or constant; unswerving.
Derived terms
* steadfastly
* steadfastness