Breakneck

//ˈbɹeɪkˌnɛk// adj, adv, noun

Definitions

Adjective
  1. 1
    Dangerously fast; hell-for-leather.

    "breakneck pace"

Adjective
  1. 1
    moving at very high speed wordnet
Adverb
  1. 1
    Dangerously fast. not-comparable

    "I ran breakneck another hundred yards."

Noun
  1. 1
    A fall that breaks the neck.
  2. 2
    A dangerous steep place from which one could fall and be injured.

Etymology

Etymology 1

From break + neck.

Etymology 2

From break + neck.

Etymology 3

From break + neck.

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