"deeply doubt" is a correct and usable phrase in written English.
You can use it to express a strong feeling of disbelief or doubtfulness. Example: I deeply doubt that she will make it on time.
Tommy Lee, who is sixty-two, isometimeses troubled or cast down or threatened in his long film repertory but never nerdy or deeply doubting.
It's deeply contaminated, deeply undermined, deeply doubting its own existence".
"Burck and Judge Kavanaugh share something in common — they are both partisan warriors who have consistently been at the center of hard-right battles, and their impartiality is therefore very deeply in doubt," said Senator Chuck Schumer of New York, the chamber's top Democrat.
His face looks as confident as Jadav's – but the quaver in his voice might just have betrayed some deeply harboured doubts.
Still, with European publics largely opposed to the Afghan war, the documents — with their grim and granular picture of the war's ground-level challenges — appear certain to exacerbate deeply held doubts, the analysts said.
And while his beliefs are no doubt deeply held, some such as Vermont seceding from the US to join Canada are also deeply impractical.
It is a tribute book, deeply felt no doubt.
She is also lucky to have four wonderful children whom she loves, no doubt deeply.
