The phrase "audacious proposition" is correct and usable in written English.
It can be used to describe a bold or daring suggestion or idea that may be considered risky or unconventional.
Example: "The entrepreneur presented an audacious proposition to revolutionize the industry with his innovative technology."
Alternatives: "bold suggestion" or "daring proposal".
"It's an audacious proposition and it's not proven if it will work yet.
But the designers who do it best – such as JW Anderson in London– do so with a knowing wink, acknowledging quite what an audacious proposition it is.
It was a wild, audacious proposition, to propel one's body to such a ragged extreme, and he felt the walls of his quest closing in on him.
It is an audacious proposition — only two other private institutions, Stanford and Northwestern, even try it — and the undertaking alone attests to Duke's vigor, and its idea of itself.
Facebook's audacious proposition was that it would host content from publishers on Facebook, with no link back to those publishers' sites.
What an audacious suggestion.
Girls offers up a proposition that's still audacious given our calcified ideas about gender, body image, and age: that a girl with stomach fat and an STD, who is "unfit for any and all paying jobs" and has epically disastrous taste in men, could turn out to be the voice of her generation.
A ballot initiative so audacious would normally have little chance of becoming law, but Proposition 1 polled well, and by the summer it had turned SeaTac into a carnival of electoral competition.
Now that proposition will be put to the test by an audacious and complex series of deals that will lead to two airlines -- United and American -- in control of nearly half of the domestic market.
It is an audacious proposition only two other private institutions, Stanford and Northwestern, even try it and the undertaking alone attests to Duke's vigor, and its idea of itself.
The audacious tactic worked.
