500 entries under adjective topic. ×

6
fulsome(informal, sickening)
6
knavish
6
level(verb, clear, press, smooth)
6
lubricious(smooth, polished)
6
meretricious(smart, clever)
6
pleasant(appearance, taste, beauty, charming)
6
plotting(mean, smooth, cunning, knowing)
6
professional(smart, informal, skilled, qualified)
6
proficient(informal, skill, skilled, capable)
6
ready(light, smooth, smart, bright)
6
serpentine(false, cunning, misleading, sly)
6
skilful
6
slimy(smooth, offensive, coarse, dishonest)
6
sneaky(mean, false, dishonest, cunning)
6
stellar(job, worthy, honorable, adoration)
6
suave(smooth, offensive, coarse, sophisticated)
6
superficial
6
velvety(smooth, smoothness)
6
vulpine
5
acceptable(appearance, taste, beauty, smell)
10 years ago|34k views|share |citing 
APASmart Define. (2016). slick thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/slick/thesaurus/synonyms
ChicagoSmart Define. 2016. "slick thesaurus" https://smartdefine.org/slick/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, slick thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/slick/thesaurus/synonyms>.
MLASmart Define. "slick thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/slick/thesaurus/synonyms>