Cool
Rad
Rad noun - A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
Mutual synonyms
Both words in one sentence
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The word "badass" is quite often used as yet another synonym to "cool, awesome, sweet, rad, etc".
Source: Analysis / Badass -
Totally Radical: Actually uses "rad" and "gnarly" in everyday conversation, but makes it sound cool anyway.
Source: Music / deadmau5 -
An example, from the episode about morality: Jan calls the video game Degenetron a "crock of shit", but then says she beat her son for using some of the so-called bad words in the game (such as "rad", "cool", and "stick it").
Cite this Source
Rad and Cool. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/cool/rad
Cool & Rad. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/cool/rad>.
Rad or Cool. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/cool/rad.
Google Ngram Viewer shows how "cool" and "rad" have occurred on timeline