Not filled
Vacant and not filled are semantically related. In some cases you can use "Vacant" instead an adjective phrase "Not filled".
Vacant
Vacant adjective - Lacking contents that could or should be present.
Not filled and vacant are semantically related. You can use "Not filled" instead an adjective "Vacant".
Mutual synonyms
Cite this Source
Vacant and Not filled. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/not_filled/vacant
Not filled & Vacant. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/not_filled/vacant>.
Vacant or Not filled. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/not_filled/vacant.
Google Ngram Viewer shows how "not filled" and "vacant" have occurred on timeline