the ability to excite people sexually.
immediate appeal or obvious potential to interest or excite others, as by appearance, style, or charm: a house with no sex appeal.
Origin of sex appeal
First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for sex appeal
the quality or power of attracting someone sexually
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