unalterable

[ uhn-awl-ter-uh-buhl ]

adjective

1. not capable of being altered, changed, or modified.

unalterable

/ ʌnˈɔːltərəbəl; -ˈɔːltrəbəl /

adjective

1. (of a condition, truth, etc) unable to be changed or altered

Other Words From

• un·alter·a·ble·ness un·alter·a·bili·ty noun
• un·alter·a·bly adverb

Word History and Origins

Origin of unalterable¹

First recorded in 1610–15; un- ¹ + alterable

Example Sentences

In an ideal society, your rights and ability to access medicine and direct the course of your own life are guaranteed and unalterable — unless a Trump-appointed judge named Matt decides to say, “Nah.”

From Washington Post

Cryptocurrency is a type of digital money secured via encryption in a publicly viewable and purportedly unalterable way.

From Seattle Times

“That’s why they can’t drive or drink alcohol or join the military until they get to a certain age. Because there is a level of maturity that goes along with decisions that are unalterable.”

From New York Times

Perhaps Mr. Hannum could channel his enthusiasm toward a solution: Use the blockchain — with all its promises of permanent, unalterable records — to create an opt-in, verified platform for education and employment history.

From New York Times

But conversion to real money is also the point at which the “transparency” provided by the public, unalterable recording of transactions on the blockchain — supposedly the big benefit of cryptography — vanishes.

From Washington Post