Synonyms|468Antonyms|98|Broader|6Narrower|0Related|413

88 entries under constant topic. ×

1
fixed resistant(expression, calm, strong, solid, substantial)
1
for keeps(expression, stable, enduring, lasting)
1
forever(stable, enduring, lasting, permanent)
1
forever and a day(expression, stable, enduring, lasting)
1
habitual(adjective, dull, steady, stable, regular)
1
imperishable(adjective, stable, fixed, enduring)
1
incessant(adjective, persistent, continuous, endless)
1
interminable(adjective, persistent, continuous, endless)
1
monotonous(adjective, dull, set, steady, stable)
1
nailed(calm, strong, solid, steady, even)
1
poised(calm, strong, solid, steady, substantial)
1
reliable(adjective, calm, strong, secure, firm)
1
safe(calm, strong, solid, steady, substantial)
1
set in stone(expression, idiom, calm, fixed)
1
solid as a rock(expression, idiom, calm, strong, solid)
1
sound(calm, strong, steady, even)
1
stabile(adjective, calm, strong, secure, firm)
1
stalwart(calm, strong, solid, steady, substantial)
1
staying put(expression, calm, strong, solid, substantial)
1
stout(calm, strong, solid, steady, substantial)
For more, visit Immutable on Power Thesaurus
11 years ago|10k views|share |citing 
APASmart Define. (2015). immutable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/immutable/thesaurus/synonyms
ChicagoSmart Define. 2015. "immutable thesaurus" https://smartdefine.org/immutable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, immutable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/immutable/thesaurus/synonyms>.
MLASmart Define. "immutable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/immutable/thesaurus/synonyms>