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unprotected sex

British  

noun

  1. an act of sexual intercourse or sodomy performed without the use of a condom, thus involving the risk of sexually transmitted diseases

"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.

Plan B can help prevent pregnancy when used within five days of unprotected sex.

From Slate • Feb. 18, 2024

The commonly used over-the-counter drug contains the synthetic hormone, progestin, which can prevent pregnancy if taken as soon as possible after having unprotected sex.

From Washington Post • Apr. 21, 2023

WHO defines infertility as a failure to achieve a pregnancy after 12 months or more of regular unprotected sex.

From BBC • Apr. 4, 2023

If a woman takes Plan B within 72 hours of unprotected sex, she can lower the risk of pregnancy significantly.

From Seattle Times • Jun. 30, 2022

The drugs, often called the morning-after pill, can prevent pregnancy if taken after unprotected sex.

From The Verge • Jun. 28, 2022