Meanings of old oddity in anglès

And this unutterable old oddity of a gown!

The real master is the caretaker, that old oddity, Jeanbernat, who has managed to find quarters in a lodge where the stones still hang together.

"Why, heaven save us, man," exclaimed my guardian, surprised into his old oddity and vehemence, "you talk of yourself as if you were somebody else!"