wouldn't dream of

wouldn't dream of (doing something)

Would not dare consider doing something. I'm sure Mom didn't read that letter you got—she wouldn't dream of opening someone else's mail. A: "Now, don't go telling the boss our plan!" B: "I wouldn't dream of it!"
See also: dream, of
Farlex Dictionary of Idioms.

wouldn't dream of

Also, not dream of. Not occur to one, not consider, as in Even if it were lying open on my desk, I wouldn't dream of reading another person's letter . This expression uses dream of in the sense of "remotely think of." [First half of 1500s]
See also: dream, of
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • dare
  • do a dare
  • come over
  • empathize
  • empathize with
  • empathize with (someone or something)
  • let (someone) in on the act
  • ride on (one's) coattails
  • ride on coattails
  • ride on someone's/something's coat-tails
References in classic literature
"If you had any sense of decency, if you had any gratitude, you wouldn't dream of going."
If you knew your own value, as I do, you wouldn't dream of it.
''We certainly wouldn't dream of telling them what they have to think about something.''
"I don't think I do, I have no idea because I have never asked him and I wouldn't dream of asking him," Prue said.
The London mayor said Americans "wouldn't dream of sharing sovereignty" as the UK had done with Europe.
And though most of us wouldn't dream of eating three ice creams after dinner, a trio of vinos can be the norm, especially at the weekend.
And though most of us wouldn't dream of eating three ice creams after dinner, trio of vinos can be the norm, especially at the weekend.
And though most of wouldn't dream of eating ree ice creams after dinner, a o of vinos can be the norm, pecially at the weekend.
But 87 per cent of those polled said they wouldn't dream of going on holiday with any of the leaders.
Heart-throb Dan Stevens fancies joining the James Bond family but wouldn't dream of playing 007 while Daniel Craig still has the role.
They're more likely to give me a slap on the back and say, 'Hi Cilla, how's it going?' But they wouldn't dream of doing that to Shirley or Joan."
I WOULDN'T dream of joking about lesbian shadow Commons leader Angela Eagle's sexuality.
We wouldn't dream of subjecting land animals to such barbarity and almost as shocking is the fact that such torture is entirely legal!
Two out of three parents wouldn't dream of dressing their children in 'unfashionable' gifts and two in five would reject hand-me-downs.
"One of the difficulties of being famous is that the wrong men feel able to approach you and the right men wouldn't dream of approaching you because they think 'She'd never look at me' whereas I probably would" Former TV newsreader Anna Ford "That scotch egg you had with the pint at lunch has probably put the final nail in your coffin" Sir Terry Wogan, below, derides the claim that eating red meat can shorten your life "Labour's economic analysis is so dense that it could bend light around it" Former Defence Secretary Liam Fox "Nobody is going to look back at any point in history and say that Gordon Brown was a great prime minister" Shadow Chancellor Ed Balls, a member of Brown's Cabinet "The benefits system has got right out of hand.