Meaning & use
undated
Last updated
Not marked or accompanied by a date.
See it in a sentence
The letter was undated, so historians could only estimate when it was written.
She found an undated photograph tucked inside the old family album.
A note on using this word
Common in archival and historical research, where establishing an approximate date for undated items is a key task.
Words with an opposite meaning
Make it your own
Write a sentence using “undated”, then compare your use with the examples above.