'Breakneck' definitions:
Definition of 'breakneck'
From: WordNet
adjective
Moving at very high speed; "a breakneck pace"
Definition of 'Breakneck'
From: GCIDE
- Breakneck \Break"neck`\, n.
- 1. A fall that breaks the neck. [1913 Webster]
- 2. A steep place endangering the neck. [1913 Webster]
Definition of 'Breakneck'
From: GCIDE
- Breakneck \Break"neck`\, a. Producing danger of a broken neck; as, breakneck speed. [1913 Webster]
Synonyms of 'breakneck'
From: Moby Thesaurus
- abrupt,
- accident-prone,
- agile,
- bluff,
- bold,
- breathless,
- careless,
- dangerous,
- daredevil,
- dashing,
- desperate,
- devil-may-care,
- double-quick,
- eagle-winged,
- excessive,
- expeditious,
- express,
- fast,
- fleet,
- flying,
- furious,
- galloping,
- hair-trigger,
- harum-scarum,
- hasty,
- headlong,
- hell for leather,
- hotheaded,
- hurried,
- hustling,
- impetuous,
- impulsive,
- light of heel,
- light-footed,
- lively,
- mad,
- mercurial,
- nimble,
- nimble-footed,
- overeager,
- overenthusiastic,
- overzealous,
- panting,
- plunging,
- precipitant,
- precipitate,
- precipitous,
- prompt,
- quick,
- quick as lightning,
- quick as thought,
- rapid,
- rash,
- reckless,
- running,
- sharp,
- sheer,
- slap-bang,
- slapdash,
- snappy,
- spanking,
- speedy,
- steep,
- sudden,
- swift,
- vertical,
- wanton,
- wild,
- winged