Null
Null adjective - Having no usefulness.
Usage example: that information is as null as no information at all
Vain is a synonym for null in ineffectual topic. In some cases you can use "Vain" instead an adjective "Null", when it comes to topics like invalid.
Vain
Vain adjective - Having no usefulness.
Usage example: having tired of the vain pleasures of life in the fast lane, he returned to the small town he had grown up in
Mutual synonyms
Cite this Source
Vain and Null. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/null/vain
Null & Vain. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/null/vain>.
Vain or Null. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/null/vain.
Google Ngram Viewer shows how "null" and "vain" have occurred on timeline