RichThesaurus
hard at work (on)
hard at work (on)
synonyms
employed in
tireless
absorbed in
immersed in
active (in)
hard-pressed
industrious
lively
slaving at
occupied (in)
on the hop
toiling at
engaged in
bustling
preoccupied with
engrossed in
busy as a bee
wrapped up (with)
on the go
working at
wrapped up (in)
involved in
rushed off one's feet (with)
time-poor
on the job
energetic
laboring at
have one's hands full
at work (on)
be busy
hard at it
hard at work (on)
antonyms
idle