RichThesaurus
with a customer
with a customer
synonyms
at it
engrossed
active
in the laboratory
working
busy
buried
having a full plate
assiduous
up to one’s ears
diligent
on duty
occupied
industrious
on the go
having enough on one’s plate
having many irons in the fire
overloaded
snowed
unavailable
tied up
swamped
in someone else’s possession
engaged
in a meeting
already taken
employed
having fish to fry
hustling
on assignment
persevering
in conference
in the field
slaving
with a customer
antonyms
unengaged
quiet
unemployed
unbusy
idle