Ancillary
Ancillary adjective - Furnishing added support.
Extra is a synonym for ancillary in supplementary topic. In some cases you can use "Extra" instead the word "Ancillary" as an adjective or a noun, when it comes to topics like additional, derivative.
Extra
Extra adjective - Being over what is needed.
Ancillary is a synonym for extra in additional topic. You can use "Ancillary" instead the word "Extra" as an adjective or a noun, if it concerns topics such as accessory, derivative.
Mutual synonyms
Both words in one sentence
- Virtually anything drawn by CLAMP now has an ancillary artbook or combination artbook/character guide/extra content companion book.
Source: Concept Art Gallery - A Day in the Limelight episode focusing on someone other than the main and supporting characters (usually a third-tier ancillary character or a Living Prop or recurring extra).
Source: Poorly Disguised Pilot -
This film provides examples of: Ace Custom: Fury is customized with extra machine guns, along with a ton of ancillary gear scattered along her hull and tree trunks as improvised armour.
Source: Film / Fury (2014)
Cite this Source
Extra and Ancillary. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/ancillary/extra
Ancillary & Extra. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/ancillary/extra>.
Extra or Ancillary. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/ancillary/extra.
Google Ngram Viewer shows how "ancillary" and "extra" have occurred on timeline