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undated

British  
/ ʌnˈdeɪtɪd /

adjective

  1. (of a manuscript, letter, etc) not having an identifying date

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The first task was to put them in chronological order, something made more difficult by the fact that some of the documents were undated.

From BBC • Apr. 20, 2026

But soon after Katz’s announcement, Iranian authorities released an undated note said to have been written by Larijani in which he honored Iranian sailors killed in a U.S. attack.

From Los Angeles Times • Mar. 17, 2026

A third undated snap shows the former US president reclining in a hot tub beside someone whose face is blacked out to protect their identity.

From BBC • Feb. 26, 2026

Babycoming Inc., the company that picked up the newborn from Tennessee, said in an undated advertisement on a forum for Chinese speakers in Los Angeles that it had “repatriated nearly 100 surrogate babies.”

From The Wall Street Journal • Dec. 28, 2025

An undated eighteenth-century handbill announcing an exhibition of three of Vaucanson’s automata: the flute player, the drummer and the digesting duck.

From "The Invention of Science" by David Wootton

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