fixed vs unadjustable

fixed and unadjustable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
fixed	No	Yes	No	No
unadjustable	No	Yes	No	No

fixed (adjective)	unadjustable (adjective)
securely placed or fastened or set	not adjustable
(of a number) having a fixed and unchanging value
fixed and unmoving
incapable of being changed or moved or undone; e.g. "frozen prices"