take the wind out of someone's sails

take the wind out of (one's) sails

1. To diminish one's enthusiasm, excitement, or positive outlook (about something). She thought she'd won, but when I told her the letter was a scam, it really took the wind out of her sails. It took the wind out of his sails to learn that nearly half of his bonus would go to taxes.
2. To deprive one of an advantage; to make a situation unfavorable or detrimental for one. The crowd's deafening applause for the home team took the wind out of their opponents' sails. Learning that the boss was letting Jenny give a proposal for the project as well really took the wind out of my sails.
See also: of, out, sail, take, wind
Farlex Dictionary of Idioms.

take the wind out of someone's sails

BRITISH, AMERICAN or

take the wind out of someone's sail

AMERICAN
If something takes the wind out of your sails, it makes you suddenly feel much less confident or determined in what you are doing or saying. The disappointment of that defeat took the wind out of our sails for a while. She suddenly apologized and it took the wind out of my sails. He missed the shot and it seemed to take a little wind out of his sail.
See also: of, out, sail, take, wind
Collins COBUILD Idioms Dictionary, 3rd ed.

take the wind out of someone's sails

frustrate a person by unexpectedly anticipating an action or remark.
1977 Eva Figes Nelly's Version She could so easily have taken the wind out of my sails and put me in my place for good.
See also: of, out, sail, take, wind
Farlex Partner Idioms Dictionary

take the wind out of someone's sails, to

To put someone at a disadvantage; to stop someone, literally or figuratively. This term, which alludes to impeding a sailing vessel by sailing to windward of it and thereby robbing it of the wind, was used literally until about 1800. Sir Walter Scott used it figuratively in The Fortunes of Nigel (1822): “He would take the wind out of the sail of every gallant.”
See also: of, out, take, wind
The Dictionary of Clichés by Christine Ammer
See also:
  • take the wind out of (one's) sails
  • take the wind out of one's sails
  • take the wind out of sails
  • take the wind out of somebody's sails
  • take the wind out of someone’s sails
  • knock the wind out of (one's) sails
  • knock the wind out of sails
  • pin one's hopes on, to
  • shake the dust of (something or some place) from (one's) feet
  • shake the dust of somewhere from your feet