Immutable
adj. Never changing or varying; unchangeable
Synonyms
unchangeable, immovable, inflexible, constant
Antonyms
mutable, variable, fluid, alterable
Sentences
The presidential candidate was known for her immutable political views, sticking to the same beliefs since the start of her political career.
From the legend of King Arthur to Spider-man, the immutable hero myth consistently features a character entering a unfamiliar world, proving themselves, and coming back a new person.
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