'downright angry' is a correct and usable phrase in written English.
You can use it when you need to express a strong level of anger. For example: "My father was downright angry when he found out what I had done."
We thought it was way too high, and we felt downright angry at his glory-hounding.
After reading a review from Publishers Weekly, Wallace wrote Howard, "The guy seemed downright angry at having been made to read the thing".
Some women wept at the end of it, immediately sending it to friends with "you must watch this" notes; others have gotten downright angry about it.
He's had people get downright angry with him and, working on building sites, has needed thick skin to deal with the way people react to his deafness.
While no constituent group sounded overjoyed with Mr. Bush's announcement -- and many, particularly anti-abortion groups, were downright angry -- the president managed to keep his core Republican constituency from collapsing.
Maura Casey, a Times reader and a former member of The Times editorial board, was one of the readers who was unhappy with a question posed Sunday in the Book Review's weekly Bookends feature: "Where Is the Great American Novel by a Woman?" Actually, she was more than unhappy, more like downright angry.
Democratic members of Congress looked uneasy, at times shifty; and some downright were angry.
"I think, definitely, there's a feeling among a number of folks that the way intelligence is treated by others in the public can be very disappointing and misleading and downright makes one angry".
If a column I write touches in any way on faith, Hinduism, Hindutva, Guru Golwalkar, Gujarat, or Ayodhya, by breakfast I have had deposited, in my inbox — or perhaps in the 'Comments' section of the newspaper's own website — mails which are hurt, complaining, angry, or downright abusive.
I've been sad, irresponsible with money, dishonest, angry, and downright selfish in sobriety.
Call her grumpy, angry or downright evil-looking but this cantankerous kitty is sure to make you grin like a Cheshire cat.
