undated

adjective

un·​dat·​ed ˌən-ˈdā-təd 

: not dated: such as

a

: bearing no date

an undated letter

undated photographs

b

: having no specified date of termination : having no limit or no end

undated securities

Examples of undated in a Sentence

Recent Examples on the Web

William sported a blue button-down shirt with dark pants in the undated snap, rocking his beard, which a former royal aide says is here to stay. —Janine Henni, People.com, 23 June 2025

Fiorenza’s undated resignation letter, obtained via a public records request, was brief and did not disclose her future plans. —Bob Skolnik, Chicago Tribune, 6 May 2025

This undated photo provided by the Wenatchee Police Department shows Travis Caleb Decker who the police are asking the public for help in locating the Washington state father who is wanted for murder after his three young daughters were reported missing and then found dead. —Jenna Sundel, MSNBC Newsweek, 23 June 2025

This undated photo released by the Boston Police Department shows officer John O'Keefe. —Elise Hammond, CNN Money, 21 June 2025

Word History

First Known Use

1570, in the meaning defined above

Rhymes for undated

• abated
• ablated
• awaited
• belated
• berated
• castrated
• chelated
• citrated
• collated
• conflated
• created
• curated