The phrase "most mighty" is a correct and usable form of written English.
It is typically used to describe something very powerful or formidable, and is often used in a grandiose style of expression. For example: "The most mighty mountain loomed above the horizon."
"All the other stuff is speculation; which book is best, which God is the most mighty.
He's hiring a ghost army of 18th-century soldiers to attack the most mighty empire of today.
Maiden Castle, Dorset's most mighty and famous hillfort, had already fallen under the might of Vespasian's military power.
In stark contrast to how religions have treated women throughout time, her life shows that God knows women are powerful enough to bring forth his most mighty miracles.
"We could be the wealthiest and the most mighty nation and still lose the battle of the world if we do not help our world neighbors protect their freedom and advance their social and economic progress," he said.
The Art Review threw a party to celebrate the publication of this year's Power 100 at the Mayfair club Almada where movers, shakers and wannabes gathered to raise a glass to 2010's Number One most mighty in art, the sharkish American gallerist, Larry Gagosian.
Ignore the fact Tom Ridge had us duct taping ourselves into our windowless bathrooms -- as a name on a ballot it sounds like the RNC and America's most majestic, mighty and god-kissed mountaintop lookout.
Tom Lichtenheld, the author and illustrator of many picture books, most recently illustrated "Mighty, Mighty Construction Site," written by Sherri Duskey Rinker.
It is the most-confident, most song-mighty album of her career.
It struck all who saw it as definitive of New York at its most high and mighty.
His tenacity, distinguished military record, quick wit and fund-raising prowess made him one of the most popular and mighty Democrats in Congress.
