un·​de·​fend·​ed ˌən-di-ˈfen-dəd How to pronounce undefended (audio)
: not guarded or protected : not defended
left the goal undefended
an undefended frontier/border

Examples of undefended in a Sentence

the cowardly soldiers fled, leaving the palace undefended
Recent Examples on the Web Finally, the extensive, rugged border between China and India will always furnish undefended areas that provide fertile ground for territory grabs. Dan Altman, Foreign Affairs, 24 Sep. 2021 Public tolerance of inaccurate and undefended allegations, non sequiturs in response to hard questions and outright denials of facts are shockingly high. Kathleen Higgins, Scientific American, 5 Dec. 2016 As with the assault on Pearl Harbor and the 9/11 attacks, the United States has been left essentially undefended. John J. Farmer, Foreign Affairs, 4 May 2020 Archival: Germany's air arm, better known as the Luftwaffe blazes the trail for the opening attacks on Holland, Belgium and tiny undefended Luxembourg. Ashraya Gupta, Scientific American, 7 Sep. 2023 See all Example Sentences for undefended 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'undefended.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1564, in the meaning defined above

Time Traveler
The first known use of undefended was in 1564

Dictionary Entries Near undefended

Cite this Entry

“Undefended.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undefended. Accessed 23 Jul. 2024.

Last Updated: - Updated example sentences
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