The word "unalterable" in English means: Impossible to change, even if you want to., Not able to be altered or modified; fixed or permanent..
The phonetic transcription of "unalterable" is /ʌnˈɔːltərəbl/ in British English and /ʌnˈɔːltərəbl/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "unalterable": fixed, inflexible, permanent, unmodifiable, immutable.
Example usage of "unalterable": "The rules here are unalterable, we can't change anything.". More examples on the page.