unalterable

[ uhn-awl-ter-uh-buh l ]
/ ʌnˈɔl tər ə bəl /

adjective

not capable of being altered, changed, or modified.
Also inalterable.

Origin of unalterable

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

OTHER WORDS FROM unalterable

un·al·ter·a·ble·ness, un·al·ter·a·bil·i·ty, noun un·al·ter·a·bly, adverb

Example sentences from the Web for unalterable

British Dictionary definitions for unalterable

unalterable
/ (ʌnˈɔːltərəbəl, -ˈɔːltrəbəl) /

adjective

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