7
far-out(adjective, unusual, wonderful, fashionable, unconventional)
7
wicked(adjective, excellent, superb, wonderful, marvelous)
7
gnarly(adjective, bad, pleasant, fine)
6
aces(adjective, excellent, superb, wonderful, marvelous)
5
hip(adjective, unusual, wonderful, fantastic, neat)
5
physicist's unit
5
x-ray dose unit(expression, idiom)
4
groovy(adjective, cool, superb, wonderful, marvelous)
4
superb(adjective, good, bad, great, sound)
4
unit of radiation(expression, idiom)
4
super(adjective, good, bad, great, sound)
3
radioactivity unit
3
stupendous(adjective, good, bad, great, sound)
3
boss(adjective, bad, pleasant, fine, fantastic)
2
marvelous(adjective, good, bad, great, sound)
2
acceptable(adjective, bad, pleasant, fine)
2
ace(adjective, bad, pleasant, fine)
2
nifty(adjective, unusual, wonderful, fantastic, neat)
2
radical(adjective, unusual, fantastic, neat, groovy)
2
terrific(adjective, excellent, superb, wonderful, marvelous)
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APASmart Define. (2015). rad thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/rad/thesaurus/synonyms
ChicagoSmart Define. 2015. "rad thesaurus" https://smartdefine.org/rad/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, rad thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/rad/thesaurus/synonyms>.
MLASmart Define. "rad thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/rad/thesaurus/synonyms>