Fixed
Fixed adjective - Having been established and usually not subject to change.
Formal
Formal adjective - Following or agreeing with established form, custom, or rules.
Fixed is a synonym for formal in property topic. Sometimes you can use "Fixed" instead an adjective "Formal", if it concerns topics such as established, official, ceremonial.
Mutual synonyms
Cite this Source
Formal and Fixed. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/fixed/formal
Fixed & Formal. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/fixed/formal>.
Formal or Fixed. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/fixed/formal.
Google Ngram Viewer shows how "fixed" and "formal" have occurred on timeline