un·​pro·​tect·​ed | \ ˌən-prə-ˈtek-təd \

Definition of unprotected

1 : lacking protection or defense unprotected troops skin unprotected from the sun's rays
2 : performed without the use of birth control to prevent pregnancy also : performed without the use of a condom to prevent spread of sexually transmitted disease unprotected sex

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Examples of unprotected in a Sentence

They're planning to build roads over thousands of acres of unprotected land. If your computer is unprotected, you're likely to get a virus.

Recent Examples on the Web

The car slows down for speed bumps, accelerates for lane changes, and handles a number of difficult maneuvers like unprotected left turns. Andrew J. Hawkins, The Verge, "Riding in Waymo One, the Google spinoff’s first self-driving taxi service," 5 Dec. 2018 Rather than strike the utilities head on, the hackers went after the system’s unprotected underbelly—hundreds of contractors and subcontractors like All-Ways who had no reason to be on high alert against foreign agents. Rebecca Smith And Rob Barry, WSJ, "America’s Electric Grid Has a Vulnerable Back Door—and Russia Walked Through It," 10 Jan. 2019 In most jurisdictions, victims like Ms. Mastrogiacomo currently go unprotected. Matthew Schmitz, WSJ, "Stopping the Priests Who Prey on Adults," 13 Sep. 2018 Citizens, left unprotected, turn to vigilantes or rebels, while the middle class hires guards. Ann Toews, WSJ, "‘A Savage Order’ Review: When a State Fuels Bloodshed," 11 Dec. 2018 This leaves him unprotected when the Ghoulies (whom Archie called the cops on during the drag race last season) jump him in the music room and steal his sneakers. Jessica Macleish, Teen Vogue, ""Riverdale" Recap Season 3 Episode 2: Betty and Jughead Have a New Mystery to Solve," 18 Oct. 2018 If Williams, a black woman of considerable wealth and status, experiences this without reprieve, those with fewer resources are left completely unprotected. Candice Benbow, Glamour, "At the U.S. Open, Serena Williams Demanded the Apology All Black Women Deserve," 10 Sep. 2018 Ford’s self-driving vehicles deftly handled a variety of challenging scenarios that have been known to trip up even the most skilled AVs, from unprotected left-hand turns, to construction zones, to narrow, two-way roads without lane markings. Andrew J. Hawkins, The Verge, "Ford’s self-driving cars are really good, but are they good enough to win?," 15 Nov. 2018 Based on that, Corbin says the use of the gay slur and the n-word at demonstration would clearly fit this category of unprotected speech. Alexia Fernández Campbell, Vox, "The limits of free speech for white supremacists marching at Unite the Right 2, explained," 10 Aug. 2018

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

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First Known Use of unprotected

1597, in the meaning defined at sense 1

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Last Updated

17 Feb 2019

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Time Traveler for unprotected

The first known use of unprotected was in 1597

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English Language Learners Definition of unprotected

: not guarded or kept from something that can cause harm or damage
of sexual activity : done without using anything (such as a condom) that can prevent unwanted pregnancy or the spread of disease (such as AIDS)


un·​pro·​tect·​ed | \ -prə-ˈtek-təd \

Medical Definition of unprotected

: not protected especially : performed without measures to prevent pregnancy or sexually transmitted disease unprotected sexual intercourse

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More from Merriam-Webster on unprotected

Rhyming Dictionary: Words that rhyme with unprotected

Thesaurus: All synonyms and antonyms for unprotected

Spanish Central: Translation of unprotected

Nglish: Translation of unprotected for Spanish Speakers

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