Meanings
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1
adj
not changeable or subject to change
A fixed and unchangeable part of the germ plasm-Ashley Montagu.
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2
adj
Not changeable; incapable of being changed or of changing; immutable.
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.
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3
noun
Something that cannot be changed.
Thesaurus
Word family
Forms
unchangeableness
Etymology
Inherited from Middle English unchaungeable; equivalent to un- + changeable.