for the love of

for the love of (something)

1. For the sake of something; in regard or consideration for something. For the love of mercy, judge, please don't condemn this man to die! Please don't speak like that in church, for the love of all that is holy!
2. Purely for one's pleasure or love for someone or something, rather than for money or another such benefit. A truly great player plays for the love of the game, not because a win might benefit his bank account the next day.
See also: love, of
Farlex Dictionary of Idioms.

for the love of

1. For the sake of, in consideration of. For example, She signed up for all these volunteer jobs for the love of praise. [c. 1200]
2. for the love of Pete or Mike or God . An exclamation of surprise, exasperation, or some similar feeling, as in For the love of Pete, give me the money! James Joyce used this idiom in Ulysses (1922): "For the love of Mike listen to him." Pete and Mike are euphemisms for God. [Early 1900s] Also see for the sake of, def. 3.
See also: love, of
The American Heritage® Dictionary of Idioms by Christine Ammer.

(just) for ˈlove/for the ˈlove of something

if you do something for love, you do it without payment or other reward, because you like the work or the person you are working for: She works in the museum during the summer but she doesn’t get paid. She helps for the love of it.
See also: love, of, something
Farlex Partner Idioms Dictionary

for the love of

For the sake of; in consideration for: did it all for the love of praise.
See also: love, of
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • Don’t make a federal case out of it!
  • bathwater
  • class (someone or something) with (someone or something)
  • class with
  • classes
  • don't bet on it
  • don't cry before you are hurt
  • a thing you don't want is dear at any price
  • (someone's) secret is safe with (one)
  • don't get me wrong