1. Home
2. Idioms
3. dead as a dodo

dead as a dodo

---

---

*dead as a dodo

 and *dead as a doornail; deader than a doornail

dead; no longer in existence. (*Also: as ~.) That silly old idea is dead as a dodo. When I tried to start my car this morning, I discovered that the battery was deader than a doornail.

See also: dead, dodo