older than dirt
Proposed by a contributor, not yet supported by evidence.
Meaning · English
very old
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Advertisement
Ad space — ads help keep Idiomer free. Premium will remove them.
Common questions
What does “older than dirt” mean?
very old
Is “older than dirt” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.
Advertisement
Ad space — ads help keep Idiomer free. Premium will remove them.