not dream of something/of doing something

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. © 2015 Farlex, Inc, all rights reserved.

not ˈdream of something/of doing something

(often used with would) not even consider something under any circumstances: ‘Don’t tell Gary what I’ve bought him for his birthday.’ ‘I wouldn’t dream of it.’Only a couple of years ago he would never have dreamt of going abroad on his own, and now he’s travelling around India!
See also: dream, not, of, something
Farlex Partner Idioms Dictionary © Farlex 2017
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