Flying
Flying adjective - Acting or done with excessive or careless speed.
Underground and flying are semantically related. In some cases you can use "Underground" instead an adjective "Flying".
Underground
Underground adjective - Undertaken or done so as to escape being observed or known by others.
Flying and underground are semantically related. Sometimes you can use "Flying" instead an adjective "Underground".
Both words in one sentence
- The Forgotten Realms setting has Skullport, an underground city ruled by flying, spellcasting skulls that order the inhabitants to perform bizarre actions (and punish them if they don't).
Source: Flying Face - In an episode of The Scooby Doo Show, legend had that flying demons were sealed underground.
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There were subcultures flying everywhere—while most had existed even in Franco's time, they were no longer forced to be underground.
Source: Creator / Pedro Almodóvar
Cite this Source
Underground and Flying. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/flying/underground
Flying & Underground. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/flying/underground>.
Underground or Flying. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/flying/underground.
Google Ngram Viewer shows how "flying" and "underground" have occurred on timeline