Lighter-than-air
Lighter-than-air adjective - Relating to a balloon or other aircraft that flies because it weighs less than the air it displaces.
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Synonyms for Lighter-than-air
Unsubstantial and lighter-than-air are semantically related. In some cases you can use "Unsubstantial" instead an adjective phrase "Lighter-than-air".
Unsubstantial
Unsubstantial adjective - Not composed of matter.
Lighter-than-air and unsubstantial are semantically related. You can use "Lighter-than-air" instead an adjective "Unsubstantial".
Nearby Word: unsubstantially
Mutual synonyms
Cite this Source
Unsubstantial and Lighter-than-air. (2017). Retrieved 2026, August 03, from https://thesaurus.plus/related/lighter-than-air/unsubstantial
Lighter-than-air & Unsubstantial. N.p., 2017. Web. 03 Aug. 2026. <https://thesaurus.plus/related/lighter-than-air/unsubstantial>.
Unsubstantial or Lighter-than-air. 2017. Accessed August 03, 2026. https://thesaurus.plus/related/lighter-than-air/unsubstantial.
