unalterable

Definition

Incapable of being altered, or of changing.

Etymology

From un- + alterable.

Example Sentences

• "People of unalterable ideas still insisted upon calling him "Sergeant" when they met him, which was in some degree owing to his having still retained the well-shaped moustache of his military days, and the soldierly bearing inseparable from his form."
• "... every statute in the Bible and in the law books is an attempt to defeaat a law of God—in other words an unalterable and indestructible law of nature."
• "For instance, we’d need to make one of the following assumptions: (1) that the system will be programmed with an unalterable goal preservation meta-goal, (2) that the training process would select for such a meta-goal, or (3) that the adoption of the meta-goal itself is instrumentally convergent."