67 entries under fantastic topic. ×

7
wicked(adjective, excellent, superb, wonderful, marvelous)
6
aces(adjective, excellent, superb, wonderful, marvelous)
5
hip(adjective, unusual, wonderful, neat)
4
groovy(adjective, cool, superb, wonderful, marvelous)
4
superb(adjective, good, bad, great, sound)
4
super(adjective, good, bad, great, sound)
3
stupendous(adjective, good, bad, great, sound)
3
boss(adjective, bad, pleasant, fine)
2
marvelous(adjective, good, bad, great, sound)
2
nifty(adjective, unusual, wonderful, neat)
2
radical(adjective, unusual, neat, groovy)
2
terrific(adjective, excellent, superb, wonderful, marvelous)
1
fabulous(adjective, excellent, unusual, wonderful)
1
avant-garde(adjective, unusual, neat, groovy)
1
bohemian(adjective, unusual, neat, groovy)
1
contemporary(adjective, unusual, neat, groovy)
1
cool(adjective, superb, wonderful, marvelous)
1
deep(adjective, unusual, wonderful, neat)
1
doozie(adjective, excellent, superb, wonderful, marvelous)
1
excellent(adjective, bad, pleasant, fine, wonderful)
11 years ago|5.5k views|share |citing 
APASmart Define. (2015). rad thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/rad/thesaurus/synonyms
ChicagoSmart Define. 2015. "rad thesaurus" https://smartdefine.org/rad/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, rad thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/rad/thesaurus/synonyms>.
MLASmart Define. "rad thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/rad/thesaurus/synonyms>