Synonyms of unchangeable

1 Syllable

firm, strong

2 Syllables

surer, steely, steadiest, steadier, deep-down, deep-dyed, stablest, steelier, rightist, brick-wall, stabler, fixed, stable, steady, surest

3 Syllables

continuing, undaring, changeless, unfading, permanent, stabile

4 Syllables

immovable, immutable, dyed-in-the-wool, invariable, resolute, inflexible, unmovable

5 Syllables

irrefragable, unalterable, inalterable, irrefrangible, inevitable, unadaptable, conservative, nonperishable, irreversible, indestructible, unmodifiable, undiversified, traditionalist

6 Syllables

traditionalistic, inexterminable