Flightiness
Flightiness noun - A lack of seriousness often at an improper time.
Vacuity and flightiness are semantically related. In some cases you can use "Vacuity" instead a noun "Flightiness".
Vacuity
Vacuity noun - Empty space.
Flightiness and vacuity are semantically related. Sometimes you can use "Flightiness" instead a noun "Vacuity".
Mutual synonyms
Cite this Source
Vacuity and Flightiness. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/flightiness/vacuity
Flightiness & Vacuity. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/flightiness/vacuity>.
Vacuity or Flightiness. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/flightiness/vacuity.
Google Ngram Viewer shows how "flightiness" and "vacuity" have occurred on timeline