breakneck
adjective
[ ˈbreɪknɛk ]
• dangerously or extremely fast.
• "he drove at breakneck speed"
Similar:
extremely fast,
high-speed,
lightning,
whirlwind,
rapid,
speedy,
dangerously fast,
reckless,
dangerous,
excessive,
precipitate,
headlong,
at full speed,
at full tilt,
at full pelt,
flat out,
ventre à terre,
hell for leather,
at a lick,
like the wind,
like a bat out of hell,
like a bomb,
like greased lightning,
like the clappers,
at a rate of knots,
like billy-o,
