familiaroddity

noun
UK /fəˈmɪliərˈɒdɪti/
US /fəˈmɪliərˈɑːdəti/

A familiar oddity is a strange thing that you see so often it feels normal.

The crooked mailbox on our street is a familiar oddity that everyone knows.


OTHER MEANINGS

2. A weird habit or feature that people know well.

His habit of humming while he works is a familiar oddity in the office.

3. A strange place or object that becomes well known over time.

The leaning tower is a familiar oddity to all the townspeople.

4. Something unusual that feels comfortable because you have seen it many times.

The old clock that runs backward is a familiar oddity in our house.