Accessorial and Required
Opposite meaning words
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
Required is an antonym for accessorial.
Required
Required adjective - Forcing one's compliance or participation by or as if by law.
Accessorial is an antonym for required.
Nearby Words: requirement, requiring
Cite this Source
Required and Accessorial. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/accessorial/required
Accessorial & Required. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/accessorial/required>.
Required or Accessorial. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/accessorial/required.
Google Ngram Viewer shows how "accessorial" and "required" have occurred on timeline