Hefty and Unsubstantial

Opposite meaning words

Hefty adjective - Having great weight.

Show all Definitions

Unsubstantial is an antonym for hefty in big topic.

Nearby Words: heft, hefted, hefting

Unsubstantial adjective - Not composed of matter.

Show all Definitions

Hefty is an antonym for unsubstantial.

Nearby Word: unsubstantially

Cite this Source

Unsubstantial and Hefty. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/hefty/unsubstantial

Hefty & Unsubstantial. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/hefty/unsubstantial>.

Unsubstantial or Hefty. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/hefty/unsubstantial.

Google Ngram Viewer shows how "hefty" and "unsubstantial" have occurred on timeline