forbidden fruit

forbidden fruit idiom
Unlawful pleasure or enjoyment; illicit love. For example, After Mary moved in with John, Tom began courting her—forbidden fruit is sweet, I guess, or Smoking behind the woodshed, that's a case of forbidden fruit. This expression alludes to Adam and Eve's violation of God's commandment not to touch fruit from the tree of knowledge, which resulted in their expulsion from the Garden of Eden (Genesis 3:6). In the form forbidden fruit is sweet it appeared in numerous early English proverb collections.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.