Cool
Flat
Flat adjective - Being neither more nor less than a certain amount, number, or extent.
How words are described
Both words in one sentence
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Sheltem had a plan to turn XEEN into this, but luckily he was foiled (using a planet, albeit a flat one that would die from it, as a starship is damn cool).
Source: Cool Starship - It also sorta falls flat because Geld's superiors knew all about his war crimes, they just didn't care until they noticed a protagonist wasn't cool with it, apparently.
Source: Bad Guys Do the Dirty Work -
They usually surf on a floating rock that happens to be nearby, or something flat they happen to have with them, unless they're so cool they don't need any of those things.
Source: Lava Surfing
Cite this Source
Flat and Cool. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/cool/flat
Cool & Flat. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/cool/flat>.
Flat or Cool. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/cool/flat.
Google Ngram Viewer shows how "cool" and "flat" have occurred on timeline