Substantial and Weightless
Opposite meaning words
Substantial
Substantial adjective - Having great meaning or lasting effect.
Weightless is an antonym for substantial.
Weightless
Weightless adjective - Having little weight.
Usage example: the kitten seemed nearly weightless when I picked her up
Substantial is an antonym for weightless.
Cite this Source
Weightless and Substantial. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/substantial/weightless
Substantial & Weightless. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/substantial/weightless>.
Weightless or Substantial. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/substantial/weightless.
Google Ngram Viewer shows how "substantial" and "weightless" have occurred on timeline