instantly (adv.)

• amain
• apace
• away
• cursorily
• decisively
• directly
• expeditiously
• feverishly
• forthwith
• furiously
• hastily
• helter-skelter
• hotfoot
• hurriedly
• immediately
• instantaneously
• momentarily
• momently
• now
• pell-mell
• promptly
• pronto
• quickly
• right
• slapdash
• smartly
• speedily
• straightaway
• straightway
• summarily
• superficially
• swiftly