Auxiliary and Accessorial

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

Accessorial and auxiliary are semantically related. In some cases you can use "Accessorial" instead an adjective "Auxiliary".

Accessorial

Accessorial adjective - Available to supply something extra when needed.
Usage example: an accessorial service, such as packing, will add substantially to the moving company's basic fee

Auxiliary and accessorial are semantically related. You can use "Auxiliary" instead an adjective "Accessorial".

Cite this Source
Accessorial and Auxiliary. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/auxiliary/accessorial
Auxiliary & Accessorial. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/auxiliary/accessorial>.
Accessorial or Auxiliary. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/auxiliary/accessorial.
Google Ngram Viewer shows how "auxiliary" and "accessorial" have occurred on timeline