Words similar to immutable

Example sentences for: immutable

How can you use “immutable” in a sentence? Here are some example sentences to help you improve your vocabulary:

While sex and birth order are immutable, the other factors likely serve as surrogates for a combination of maternal exposures such as stress, socioeconomic position, and nutrition, and thus are not permanently bound to differences in fetal growth for future populations.
During the 600 years when fashion developed its own history, both skirts and hair were considered immutable, even when fashion went to extremes.
How many people need words like desiccate, didactic, innocuous, immutable , etc., when dry up, instructive, harmless , and unchanging or unchangeable are around?
"We are redefining [America's] immutable ideals," said Clinton.
But in the cauldron of politics, ideals are never immutable.