promiscuous(redirected from promiscuousness)
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1. Having casual sexual relations frequently with different partners; indiscriminate in the choice of sexual partners.
2. Biology Having a variety of functions, targets, or hosts; nonselective: promiscuous enzymes; promiscuous drugs; a promiscuous parasite.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.