First
First adjective - Coming before all others in importance.
Usage example: there are a number of reasons we can't go, but the first is that we don't have the money
Predominant is a synonym for first in dominant topic. In some cases you can use "Predominant" instead an adjective "First", when it comes to topics like governing, pre-eminent, highest in importance.
Nearby Word: firstly
Predominant
Predominant adjective - Coming before all others in importance.
Usage example: parental involvement has been found to be the predominant factor in a child's success in school
First is a synonym for predominant in dominant topic. You can use "First" instead an adjective "Predominant", if it concerns topics such as governing.
Mutual synonyms
Cite this Source
Predominant and First. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/first/predominant
First & Predominant. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/first/predominant>.
Predominant or First. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/first/predominant.
Google Ngram Viewer shows how "first" and "predominant" have occurred on timeline