The phrase "wheedle out" is correct and usable in written English.
It means to use persuasion to get someone to do something or give something, often something they are unwilling to do. For example, "I tried to wheedle out the truth from him, but he still wouldn't tell me."
He listed all the covert tactics used to obtain or wheedle out information about private lives: all were part of the "dark arts" practised by News International.
By the '80s, many Western Europeans came in too, some succumbing to the charms of 'sex 007s' - spies of both sexes who used seduction to wheedle out 'secrets' from unsuspecting tourists.
Contestants sat in a soundproof booth (pictured) while an audience listened to them impersonate journalists, survey takers, fellow employees and customers to wheedle out private data from big corporations' sales people and call center staffers.
Through these questions, you can eventually wheedle out what style will make them happiest and (just as importantly) suit their needs.
Are you gonna run for President?" as if they are a) the only one who thought to ask him that question and b) fairly convinced that they will be the one to wheedle out the answer.
This is more often than not the part where you wheedle out your true soulmate from the crowd.
He adopted various mannerisms and voices: He pulled up a chair in front of a student, straddled the chair backward, wheedled out a confession of some misdeed, and then roared, "Stupid!" He held up a card with the word "STOOPID," inviting students to identify their actions as such.
"I have done my duty, my conscience is clear, you have the power, time, and resources at Scotland Yard to wheedle him out, and expose him for what he really is".
Any money she brings has to be wheedled out of Vladimir, who despises her family and its slovenly ways.
The Doctor finding his way around his personal mechanical hell, wheedling out the mysteries of the castle and trying to evade the Veil.
Mrs. Phillips said her husband had either commissioned or inspired more than 200 solo and chamber music pieces, many wheedled out of composers by persistence or other methods.
