Idiom idiom
ancient history
Meaning
That which happened a long time ago and not worth discussing any more.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
Examples
“Our old argument is ancient history now.”
“She told her friend that her past mistakes were ancient history and she wanted to move on.”
“Although the bitter rivalry between the two families had been ancient history for decades, the townspeople still whispered about the original conflict.”
Anchors to
Last updated August 10, 2026