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

Example Sentences

Recent Examples on the Web But this fall, the pool of undefended kids is larger than usual. Katherine J. Wu, The Atlantic, 23 Nov. 2022 There are no easy answers to improve the longstanding security dumpster fire created by cheap, undefended internet of things devices in homes and businesses around the world. WIRED, 23 Oct. 2022 The consensus of Russian military experts appears to be that the defeat was a limited setback brought on by the error of failing to sufficiently man the long front lines, leaving the Kharkiv sector relatively undefended. Fred Weir, The Christian Science Monitor, 16 Sep. 2022 The Russian military's collapse that led to the loss of Izyum can largely be attributed to one simple fact: Russian forces left their flanks undefended, perhaps because of growing troop shortages, exhausted conscripts and low morale. Arkansas Online, 11 Sep. 2022 This helped the Allied forces gain a crucial foothold into relatively undefended Sicily. Marco Della Cava, USA TODAY, 11 May 2022 This includes attacks on hospitals, clinics, schools, and other key civilian sites, as well as attacking or bombarding towns, villages or dwellings that are undefended and which are not military objectives. Washington Post, 3 Mar. 2022 That was the predicament the Miami Dolphins found themselves in when the team’s social media accounts posted a video of Tua Tagovailoa throwing an undefended deep pass to Tyreek Hill from the back of the end zone on Tuesday. Omar Kelly, Sun Sentinel, 11 May 2022 An undefended toilet next to a urinal is not an ideal place for a trans man to take a leak, but Ben was confident — and had to go. New York Times, 10 May 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'undefended.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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 5 Dec. 2022.

Last Updated: - Updated example sentences
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