rule of cool

noun

The principle that anything is acceptable to do, use, wear, etc. just as long as it is cool.

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Meanings

noun
  1. The principle that anything is acceptable to do, use, wear, etc. just as long as it is cool.
    1 more example

    They found Xinyi Du at the apex of the DUAL Core, a massive quantum computer which plunged away below them where a series of catwalks and maintenance accesses buzzed with drones and shone with dozens of blinking indicators. It was spinning; Wettle had never understood what practical reason a computer might have to spin, but perhaps it wasn't practical at all. Most of the Foundation's best scientists succumbed to some extent to the siren song of the rule of cool.

    2024 September 8, HarryBlank, “Nothing Happens”, in SCP Foundation, archived from the original on 03 Oct 2024
Cite this entry
APA

rule of cool. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/rule%20of%20cool

MLA

“rule of cool.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rule%20of%20cool. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “rule of cool,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/rule%20of%20cool.

Source: rule of cool on Wiktionary, CC BY-SA 4.0.