The phrase "a far more deadly" is correct and usable in written English.
It can be used to compare the lethality of one thing to another, emphasizing that it is significantly more dangerous.
Example: "The new virus is a far more deadly strain than its predecessors, posing a serious threat to public health."
Alternatives: "much more lethal" or "significantly more dangerous".
He also said the opposition was receiving a far more deadly flow of weapons and aid.
Any talent for yobbishness, however, was exorcised by a far more deadly peril: The Art School Years.
This attack followed a far more deadly car bomb that exploded near a Shia mosque in the holy city of Najaf on August 29th, killing at least 95 people.
Mr. Tobiason said he writes "to fight against dishonest government," and said that if he wanted to, he could initiate a far more deadly biological attack than the recent one.
Jack Trout of Trout & Ries, marketing consultants in Greenwich, Conn., said NCR could have made a far more deadly assault by focusing on A.T.& T.'s past blunders in the computer business.
I happened to be in London on 7/7 — a far more deadly and frightening terrorist attack — and by 7 P.M. on that horrible day, with the terrorists still at large (they were dead already, but no one knew that), the red double-decker buses were rolling and the traffic was turning and life, though hardly normal, was determinedly going on.
How effective they have been is open to debate; the United States and its close partner in the attacks, Israel, used the weapons as an alternative to a potentially far more deadly, but perhaps less effective, bombing attack from the air.
The avian flu detected on a chicken farm near San Antonio is a strain far more deadly to chickens than initially diagnosed and has been found in a live poultry market in Houston where birds from the farm are routinely sent, health officials said.
The Dry uses fire – which "surged and jumped and gorged itself … like an animal" – to nail-biting effect, a weapon far more deadly and devastating than any knife or gun.
We'd heard two rockslides the day before, and as we picked our way around the lake, our overweight packs throwing us off balance, we were acutely aware that a sudden peal of thunder could send down a shower far more deadly than rain.
Why, then, should there be objections to routine testing for a disease far more deadly, one that threatens entire nations?
