sexual activities in which precautions have been taken, as by the use of a condom, to minimize the chances of spreading or contracting a sexually transmitted disease.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for safe sex
sexual intercourse using physical protection, such as a condom, or nonpenetrative methods to prevent the spread of such diseases as AIDS
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
Medicine definitions for safe sex
Sexual activity in which safeguards, such as the use of a condom, are taken to avoid acquiring or spreading a sexually transmitted disease.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.