un·​pro·​tect·​ed | \ ˌən-prə-ˈtek-təd How to pronounce unprotected (audio) \

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

Keep scrolling for more

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

While patches are available for many mainstream devices, there are likely many more specialized ones used in hospitals, stores, and other environments that will remain unprotected for the foreseeable future. Dan Goodin, Ars Technica, "Decade-old Bluetooth flaw lets hackers steal data passing between devices," 26 July 2018 Annie, the main character based on West in her hilarious memoir, realizes her period is late after an unprotected hookup with her shady nonboyfriend. Macaela Mackenzie, Glamour, "What Shrill Gets Right—and Wrong—About the Morning-After Pill Weight Limit," 15 Mar. 2019 The unprotected noticed, and began to sunder their relationship with establishments and elites. Peggy Noonan, WSJ, "Republicans Need to Save Capitalism," 14 Feb. 2019 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

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.

See More

First Known Use of unprotected

1597, in the meaning defined at sense 1

Keep scrolling for more

Learn More about unprotected

Statistics for unprotected

Last Updated

12 May 2019

Look-up Popularity

Time Traveler for unprotected

The first known use of unprotected was in 1597

See more words from the same year

Keep scrolling for more

More Definitions for unprotected



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 How to pronounce unprotected (audio) \

Medical Definition of unprotected

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

Keep scrolling for more

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

Comments on unprotected

What made you want to look up unprotected? Please tell us where you read or heard it (including the quote, if possible).


a tendency to relapse

Get Word of the Day daily email!

Test Your Vocabulary

Finance Words Quiz

  • a-piggy-bank
  • The etymology of mortgage is related most closely to which two words?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!