Extremely and Flat out

Related terms

Extremely adverb - To a great degree.

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Flat out and extremely are semantically related. In some cases you can use "Flat out" instead an adverb "Extremely".

Flat out adverb - At top speed.

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Extremely and flat out are semantically related. Sometimes you can use "Extremely" instead an adverb phrase "Flat out".

The Berserker: Aleksei Amigochaz sometimes gets extremely vicious when fighting, so far that many flat out avoid him even after the tests.

Source: Webcomic / Tower of God
We find out later that Revan was more of an extremely dark Well-Intentioned Extremist than a flat out evil person like most Sith lords also tend to wind up being.

Source: Characters / Knights of the Old Republic
Funnily enough, the producers flat out admitted that this is why they cast model Tricia Helfer, who had barely any acting experience, and came to be very surprised when she actually turned out to be an extremely talented actress.

Source: Ms Fanservice / Live-Action TV

Cite this Source

Flat out and Extremely. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/extremely/flat_out

Extremely & Flat out. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/extremely/flat_out>.

Flat out or Extremely. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/extremely/flat_out.

Google Ngram Viewer shows how "extremely" and "flat out" have occurred on timeline