We found 5 dictionaries that define the word as dead as a doornail:

General (4 matching dictionaries)

1. as dead as a doornail: Merriam-Webster
2. as dead as a doornail: TheFreeDictionary.com
3. As dead as a doornail: Phrase Finder
4. as dead as a doornail: Longman Dictionary of Contemporary English

Miscellaneous (1 matching dictionary)

5. as dead as a doornail: Idioms

▸ Words similar to as dead as a doornail ▸ Usage examples for as dead as a doornail ▸ Idioms related to as dead as a doornail ▸ Wikipedia articles (New!) ▸ Words that often appear near as dead as a doornail ▸ Rhymes of as dead as a doornail ▸ Invented words related to as dead as a doornail