Auxiliary and Dispensable

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

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

Dispensable

Dispensable adjective - Not needed by the circumstances or to accomplish an end.

Auxiliary and dispensable are semantically related. Sometimes you can use "Auxiliary" instead an adjective "Dispensable".

Cite this Source
Dispensable and Auxiliary. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/auxiliary/dispensable
Auxiliary & Dispensable. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/auxiliary/dispensable>.
Dispensable or Auxiliary. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/auxiliary/dispensable.
Google Ngram Viewer shows how "auxiliary" and "dispensable" have occurred on timeline