Dictionary
pro·fi·cient
/prəˈfiSHənt/
adjective
competent or skilled in doing or using something.
"I was proficient at my job"
Similar:
skilled
skillful
expert
accomplished
experienced
practiced
trained
seasoned
well versed
adept
adroit
deft
dexterous
able
capable
competent
professional
effective
apt
handy
talented
gifted
masterly
consummate
master
good
great
excellent
brilliant
crack
ace
mean
wicked
wizard
crackerjack
badass
compleat
Opposite:
inept
inexpert
incompetent
noun RARE
a person who is proficient.
"he became a proficient in Latin and Greek"