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Unchangeable

adjective

/ʌnˈtʃeɪndʒəbəl/

Meaning

not able to be changed or altered; fixed and permanent

The laws of physics are unchangeable principles that govern the universe.

immutable, fixed, permanent, constant, invariable

changeable, variable, mutable, flexible, alterable

unchangeable fact, unchangeable law, unchangeable truth, unchangeable nature

impossible to understand or interpret

crazy; silly; mentally unstable

Excessively preoccupied with oneself and one’s own thoughts, feelings, or interests.

Showing great care and perseverance.

Relating to the chemical processes that occur within a living organism in order to maintain life.

Relating to the chest or breast.