We found 2 dictionaries that define the word save one's neck:

General (2 matching dictionaries)

1. save one's neck, save one's neck: Collins English Dictionary
2. save one's neck: Wiktionary

Definitions from Wiktionary (save one's neck) ▸ verb:  Synonym of save one's skin ▸ Words similar to save one's neck ▸ Usage examples for save one's neck ▸ Idioms related to save one's neck ▸ Wikipedia articles (New!) ▸ Words that often appear near save one's neck ▸ Rhymes of save one's neck ▸ Invented words related to save one's neck