unchangeable

comparative more unchangeable · superlative most unchangeable

1. Not changeable; incapable of being changed or of changing; immutable.

   Psychologists call this the entity theory of intelligence, which is simply the belief that ability is innate and unchangeable.

   2025 September 2, T. Alexander, “5 Ways We Make Ourselves Less Intelligent Each Day”, in Psychology Today

   1 more example

   Less than 15 minutes in, he noted that he had signed an executive order declaring that the federal government will only recognize two unchangeable sexes, male and female, and another order banning trans women from participating in women’s sports.

   2025 March 5, Jo Yurcaba, “Fact-checking Trump's anti-transgender comments in his address to Congress”, in NBC News, archived from the original on 15 Apr 2025

plural unchangeables

1. Something that cannot be changed.