on the go Synonyms

in motion hard at work hard at it busy as a bee on the hop on the run at it hard-working repositioning at work underway zealous working hard-pressed in full swing rushed off one's feet on the wing on the way on the road on the move on the job on the anvil on duty tied up in transit in the pipeline in progress weariless vigorous tireless engaged energetic employed eager dynamic diligent busy bustling brisk assiduous afoot adventurous engrossed en route strenuous spry slaving productive persevering occupied