Altitudinous and Flat
Opposite meaning words
Altitudinous
Altitudinous adjective - Extending to a great distance upward.
Usage example: the brochure described the seaside hotel as “an imposing edifice graced by old world charm, situated atop an altitudinous promontory with panoramic views”
Flat is an antonym for altitudinous.
Flat
Flat adjective - Being neither more nor less than a certain amount, number, or extent.
Altitudinous is an antonym for flat.
Cite this Source
Flat and Altitudinous. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/altitudinous/flat
Altitudinous & Flat. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/altitudinous/flat>.
Flat or Altitudinous. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/altitudinous/flat.
Google Ngram Viewer shows how "altitudinous" and "flat" have occurred on timeline