Ground and Underground

Opposite meaning words

Ground adjective - Having an edge thin enough to cut or pierce something.

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Underground is an antonym for ground.

Underground adjective - Undertaken or done so as to escape being observed or known by others.

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Ground is an antonym for underground in topics: secret, below the surface.

safe	safe ground	safe underground
common	common ground	common underground
regular	regular ground	regular underground
actual	actual ground	actual underground
Other adjectives: entire, massive, new, literal.

The final arc of Fullmetal Alchemist has the cast assault Grand Central, both above ground and underground (which is Father's headquarters).

Source: Storming the Castle
They formed a contract with the above-ground youkai, where the above-ground youkai are forbidden to go underground, while the underground youkai keep the remaining evil spirits sealed.

Source: Underground City
They used to live above ground but were forced underground after a war with the Inklings.

Source: Underground City

Cite this Source

Underground and Ground. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/ground/underground

Ground & Underground. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/ground/underground>.

Underground or Ground. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/ground/underground.

Google Ngram Viewer shows how "ground" and "underground" have occurred on timeline