Adequacy and Lack
Opposite meaning words
Adequacy
Adequacy noun - The quality or state of meeting one's needs adequately.
Usage example: the fire department sent someone to determine the adequacy of the building's evacuation plan
Lack
Lack noun - The fact or state of being absent.
Usage example: the lack of news about the fate of the soldiers was frustrating
Cite this Source
Lack and Adequacy. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/adequacy/lack
Adequacy & Lack. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/adequacy/lack>.
Lack or Adequacy. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/adequacy/lack.
Google Ngram Viewer shows how "adequacy" and "lack" have occurred on timeline