First
First adjective - Coming before all others in time or order.
Substitute is an antonym for first.
Nearby Word: firstly
Substitute
Substitute adjective - Taking the place of one that came before.
Usage example: had to find substitute transportation during the bus strike
First is an antonym for substitute.
How words are described
Cite this Source
Substitute and First. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/first/substitute
First & Substitute. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/first/substitute>.
Substitute or First. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/first/substitute.
Google Ngram Viewer shows how "first" and "substitute" have occurred on timeline