Unalterable

مترادف و متضاد unalterable

1. adjective Incapable of changing or being modified
   Synonyms: inalterable, immutable, inflexible, unchangeable, rigid, firm, fixed, invariable, changeless, ironclad, permanent
   Antonyms: alterable
2. adjective That cannot be revoked or undone
   Synonyms: irreversible, irrevocable
3. adjective Stable
   Synonyms: fixed, unavoidable