undated
🇺🇸
/ˌʌnˈdeɪtɪd/
🇬🇧
/ˌʌnˈdeɪtɪd/
adjective
R
not having a date on it
I found an undated letter in the drawer.
R
not known when it happened
The undated archaeological remains were discovered in the forest.
translation
not having a date on it; not known when it happened