Synonyms:
- amain,
- apace,
- astir,
- at it,
- at once,
- at work,
- busy,
- by forced marches,
- cursorily,
- employed,
- en route,
- engaged,
- expeditiously,
- feverishly,
- full of business,
- furiously,
- hand over fist,
- hard at it,
- hard at work,
- hastily,
- helter-skelter,
- hotfoot,
- hurriedly,
- hurry-scurry,
- immediately,
- in harness,
- in motion,
- in passing,
- in transit,
- instantly,
- occupied,
- on duty,
- on the bum,
- on the gad,
- on the go,
- on the hop,
- on the job,
- on the jump,
- on the move,
- on the road,
- on the tramp,
- on the wing,
- pell-mell,
- promptly,
- quickly,
- slapdash,
- speedily,
- superficially,
- swiftly,
- tied up,
- under sail,
- under way,
- with a rush,
- with all haste,
- with dispatch,
- with haste,
- working