Erect and Flat

Erect

Erect adjective - Rising straight up.
Usage example: a lone tree remained erect after the terrible tornado had passed

Flat is an antonym for erect.

Flat

Flat adjective - Being neither more nor less than a certain amount, number, or extent.

Erect is an antonym for flat.

Nearby Words: flatter, flatly, flatness, flatlet, flatting
Cite this Source
Flat and Erect. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/erect/flat
Erect & Flat. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/erect/flat>.
Flat or Erect. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/erect/flat.
Google Ngram Viewer shows how "erect" and "flat" have occurred on timeline