"a flat refusal" is a correct and usable phrase in written English.
It is often used to express a definitive "no" to a request or offer. Example sentence: She gave the project interviewer a flat refusal, indicating that she was not interested in the job.
The response was a flat refusal to engage.
So don't be surprised if their response to your very "fair" suggestion is a flat refusal.
Mnuchin's letter was not a flat refusal to comply, but it seems clear where this will end up.
If you answer yes you can expect a lot more questions, significantly higher premiums, or possibly a flat refusal.
Before suing for an injunction, plaintiff waited two years after protesting to the defendant and drawing a flat refusal to cooperate.
Nevertheless, she began the new relationship with a flat refusal to cooperate, according to a person close to the negotiations who spoke on the condition of anonymity.
So far, it has been a superbly balanced engagement but there was a moment before Broad's flat refusal to conform to an old cricket principle when he was also close to declaring that finally a break in the balance of power had arrived.
Instead, Emmanuel Macron frustrated the room with his flat refusal to countenance a long delay that most leaders were ready to accept.
Word of Mr. Kerry's personal entreaties, and Mr. McCain's flat refusal, may bring an end to the persistent, and at times fevered, speculation among Democrats and others about the potential of a bipartisan ticket, with the two friends and Vietnam veterans matching up against President Bush and Vice President Cheney, neither of whom 0f fought n that war.
One man folded his arms in flat refusal.
I didn't expect this flat refusal to uphold its own editorial guidelines.
