Incidental
Incidental noun - (frequently plural) an expense not budgeted or not specified.
Nonnecessity and incidental are semantically related. In some cases you can use "Nonnecessity" instead a noun "Incidental".
Nonnecessity
Incidental and nonnecessity are semantically related. You can use "Incidental" instead a noun "Nonnecessity".
Mutual synonyms
Cite this Source
Nonnecessity and Incidental. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/incidental/nonnecessity
Incidental & Nonnecessity. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/incidental/nonnecessity>.
Nonnecessity or Incidental. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/incidental/nonnecessity.
Google Ngram Viewer shows how "incidental" and "nonnecessity" have occurred on timeline