Fast and Flat out

Related terms

Fast adverb - With great speed.

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Flat out and fast are semantically related. In some cases you can use "Flat out" instead the word "Fast" as an adverb or an adjective.

Nearby Words: fasted, fasting

Flat out adverb - At top speed.

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Fast and flat out are semantically related. Sometimes you can use "Fast" instead the phrase "Flat out" as an adverb or an adjective.

Cite this Source

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

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

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

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