unalterable B2 Topic:Describing Qualities US /əˈnɔltɝəbəl/ See IPA manual Freq #88406 Meanings 1 adj not able to be changed The deadline was unalterable once the contract was signed. 2 adj firmly fixed or permanent She spoke with unalterable confidence. Thesaurus Synonyms 1 adj · not able to be changed unchangeablefixedimmutable 2 adj · firmly fixed or permanent constantpermanent More irrevocable ↔ Opposites alterablechangeableflexible Word family Forms unalterably Derived forms unalterably Etymology From un- + alterable. Topics Describing Qualities External links Google Images Cambridge Dictionary Wiktionary # unalterable **Type:** Word **Level:** B2 **Part of speech:** adj **IPA (US):** /əˈnɔltɝəbəl/ **Frequency rank:** 88406 ## Meanings 1. not able to be changed 2. firmly fixed or permanent ## Examples - The deadline was unalterable once the contract was signed. - She spoke with unalterable confidence. ## Synonyms - unchangeable - fixed - immutable - irrevocable ## Antonyms - alterable - changeable - flexible ## Derived Forms - unalterably ## Etymology From un- + alterable. ## Topics - Describing Qualities markdown