7
au fait(expression, adjective, idiom, good, keen)
7
effective(adjective, tough, keen, smart, intelligent)
7
fitted(adjective, tough, suitable, adequate, skilled)
7
ready(adjective, light, smooth, tough, smart)
7
slick(adjective, informal, skill, skilled, capable)
6
artistic(ability, master, talent, adjective, brilliant)
6
connoisseur(noun, authority, master, expert, genius)
6
conversant(adjective, smart, experience, skill, familiar)
6
cunning(adjective, competent, capable, skillful, nimble)
6
effectual(adjective, tough, keen, smart, intelligent)
6
excellent
6
first-rate(adjective, ability, master, talent)
6
neat(adjective, clever, skillful, nimble, artful)
5
artist(noun, authority, master, expert, genius)
5
dextrous(adjective, expert, skilled, skillful)
5
facile(adjective, easy, keen, smart, intelligent)
5
fit(adjective, suitable, decent, adequate, skilled)
5
geek
5
perfect
5
quick(adjective, light, smooth, smart, skill)
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APASmart Define. (2015). proficient thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/proficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "proficient thesaurus" https://smartdefine.org/proficient/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, proficient thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/proficient/thesaurus/synonyms>.
MLASmart Define. "proficient thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/proficient/thesaurus/synonyms>