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knowing one’s stuff
knowing one’s stuff
synonyms
qualified
adept
professional
practiced
competent
experienced
skillful
expert
sport
learned
trained
proficient
able
worldly
tested
vet
pro
rounded
sharp
versed
capable
having something on the ball
cultivated
practical
the right stuff
well-versed
broken in
known
old
mature
worldly-wise
polished
knowing the score
wise
seasoned
on the ball
up to speed
sophisticated
licensed
crackerjack
familiar
veteran
old hand
efficient
matured
there
ace
tried
slick
well-qualified
more synonyms
knowing one’s stuff
antonyms
unprofessional
unsophisticated
untrained
unskilled
rookie
unseasoned
unfamiliar
unknowledgeable
amateur
ignorant
inexperienced
green
immature