Definition of "turn-on" [turn-on]

• Slang Something that causes pleasure or excitement: "The real turn-on ... is that he is a visionary as well as a scientist” ( Village Voice). (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "After living with people who wore all emotions and opinions on their sleeves, having a few wearable secrets was the ultimate turn-on."
• "Some, perhaps all, older male serbs smell like leather, paprika, and pancake syrup, which just happens to be a huge turn-on for me, so it works out well for us both."
• "Ladies in black dresses and heels handling firearms is undoubtedly a turn-on but the ones that know even a little just stand out."