wouldn't dream of (doing something)

if someone wouldn't dream of doing something, they would never do it because they think it is wrong or silly.

I wouldn't dream of asking my father for money.

• in progress
• in question
• inquire into
• inquire into something
• in reality
• in reduced circumstances
• in reference to
• in reference to something
• in relation to
• in relation to something
• in reserve
• in retrospect
• in return
• in return for
• in return for something
• in right mind
• in safe hands
• ins and outs
• ins and outs of
• ins and outs of something
• in season
• in shadow
• in shoes
• in short
• in short order