Synonyms of immutable
unchangingDictionary • the immutable principles of right and wrong
unchanging • eternal and unchanging truths
fixed • Nato was concentrating on hitting buildings and other fixed structures.
permanent • Heavy drinking can cause permanent damage to the brain.
stable • a stable marriage
constant • The temperature should be kept more or less constant.
enduring • Their chance meeting was the start of an enduring friendship.
abiding • one of my abiding memories of him
perpetual • the regions of perpetual night at the lunar poles
inflexible • They viewed him as stubborn, inflexible and dogmatic.
steadfast • He remained steadfast in his belief that he had done the right thing.
immovable • It was declared unsafe because the support bars were immovable.
ageless • the ageless oceans
invariable • It was his invariable custom to have one whisky before supper.
unalterable • an unalterable fact of life
unchangeable • an almost unchangeable system of laws and customs
fixed as the laws of the Medes and Persians
Copyright © 2016 by HarperCollins Publishers. All rights reserved.
abidingAn abiding feeling, memory, or interest is one that you have for a very long time.
• one of my abiding memories of him
agelessIf you describe something as ageless, you mean that it is impossible to tell how old it is, or that it seems to have existed for ever.
• the ageless oceans
Thesaurus for immutable from the Collins English Thesaurus
unchanging through time; unalterable; ageless