Breakneck synonyms | adverbs

Synonyms for Breakneck as an Adverb

• rapid

  extremely fast, fast
• speedy

  extremely fast, fast
• swift

  fast
• headlong

  dangerously fast, extremely fast
• quick

  fast
• fast
• hasty

  speedy
• expeditious

  fast
• fleet
• pell-mell
• posthaste
• pronto
• lickety split
• double-quick
• at once
• fleetly
• full tilt
• more rapidly
• directly
• flat-out
• hastily
• lickety-split
• promptly
• quickly
• rapidly
• speedily
• swiftly
• straightaway
• immediately
• right away
• straight away
• without delay