hastily (adv.)
- abruptly
- agilely
- amain
- apace
- bang
- carelessly
- cursorily
- dash
- desperately
- directly
- expeditiously
- fast
- feverishly
- furiously
- headfirst
- headlong
- heedlessly
- helter-skelter
- hotfoot
- hurriedly
- immediately
- impetuously
- impulsively
- incautiously
- instantaneously
- instantly
- madly
- nimbly
- pell-mell
- plop
- plump
- plunk
- pop
- post
- precipitately
- precipitously
- prematurely
- promptly
- pronto
- quick
- quickly
- rapidly
- rashly
- recklessly
- sharp
- slam-bang
- slap
- slap-bang
- slapdash
- smack
- speedily
- startlingly
- sudden
- suddenly
- superficially
- surprisingly
- swiftly
- thoughtlessly
- trippingly
- unawares
- unexpectedly
- unthinkingly
- untimely
- wantonly
- wildly
