invariable B2 Topic:Describing Qualities US /ɪnˈvɛɹ.i.ə.bl̩/ UK /ɪnˈvɛə.ɹi.ə.bl̩/ See IPA manual Freq #113166 Meanings 1 adj Never changing; always the same. His morning routine is invariable: coffee first, then the newspaper. 2 noun Something that never changes; a constant. In this equation, the speed of light is treated as an invariable. Thesaurus Synonyms 2 noun · something that never... constant Word family Forms invariabilityinvariableness Derived forms invariablenessinvariably Etymology AI details From in- + variable. Topics Describing Qualities External links Cambridge Dictionary Wiktionary Google Images # invariable **Type:** Word **Level:** B2 **Part of speech:** adj, noun **IPA (US):** /ɪnˈvɛɹ.i.ə.bl̩/ **IPA (UK):** /ɪnˈvɛə.ɹi.ə.bl̩/ **Frequency rank:** 113166 ## Meanings 1. Never changing; always the same. 2. Something that never changes; a constant. ## Examples - His morning routine is invariable: coffee first, then the newspaper. - In this equation, the speed of light is treated as an invariable. ## Derived Forms - invariableness - invariably ## Etymology From in- + variable. ## AI Etymology Invariable comes from in- + variable. The analysis is mainly morphological: the modern adjectival form is built from the named base and affix. ## Topics - Describing Qualities markdown