Additional and Auxiliary

Additional

Additional adjective - Resulting in an increase in amount or number.
Show all Definitions
Synonyms for Additional

Auxiliary is a synonym for additional in extra topic. In some cases you can use "Auxiliary" instead the word "Additional" as an adjective or an adverb.

Nearby Words: addition, additive, additionally

Auxiliary

Auxiliary adjective - Available to supply something extra when needed.
Usage example: the auditorium has an auxiliary cooling system used only on particularly sweltering days

Additional is a synonym for auxiliary. You can use "Additional" instead the word "Auxiliary" as an adjective or an adverb.
Cite this Source
Auxiliary and Additional. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/additional/auxiliary
Additional & Auxiliary. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/additional/auxiliary>.
Auxiliary or Additional. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/additional/auxiliary.
Google Ngram Viewer shows how "additional" and "auxiliary" have occurred on timeline