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Synonyms

undefended

British  
/ ˌʌndɪˈfɛndɪd /

adjective

  1. not having people to provide resistance against danger, attack, or harm

"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.

See Examples For:

As the home team sprung forward from midfield, Gouri found Mason Greenwood racing through an undefended inside-right channel.

From Barron's Feb. 3, 2026

Nicias, the peacemaker of 421 B.C., first opposes raiding Sicily because it would leave Athens undefended.

From The Wall Street Journal Nov. 21, 2025

But Llys Rhosyr is the only undefended court of the Welsh princes confirmed through archaeological excavation.

From BBC Apr. 8, 2023

As the martian interior cooled, leading theories hold, its magnetic field died out, leaving the atmosphere undefended and ending this warm and wet period, when the planet might have hosted life.

From Science Magazine Dec. 19, 2022

He moved through the enemy lines, and even though he seemed to be leaving Frank undefended, the enemy was completely focused on Percy.

From "The Son of Neptune" by Rick Riordan

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