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Synonyms
fixed, hard-and-fast, immutable, inalterable, incommutable, inflexible, unalterable, unchangeable
Antonyms
alterable, changeable, elastic, flexible, mutable, variable
Recent Examples on the Web
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'invariable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
15th century, in the meaning defined above
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invariable
See the full definition for invariable in the English Language Learners Dictionary
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Thesaurus: All synonyms and antonyms for invariable
Spanish Central: Translation of invariable
Nglish: Translation of invariable for Spanish Speakers
Britannica English: Translation of invariable for Arabic Speakers
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