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