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