The phrase "arguably everyone" is correct and usable in written English.
It can be used when suggesting that a statement or opinion is open to debate but is widely accepted or believed by many people.
Example: "Arguably everyone has experienced moments of doubt in their lives."
Alternatives: "possibly all" or "likely most people".
While, arguably, everyone could be forgiven for battening down the hatches and looking after number one, it seems that across the UK people are becoming less materialistic and more outward-facing: volunteering, joining clubs and caring for the environment in record numbers.
How the event played out that year was arguably everyone's dream scenario.
The coaches might be considered innovative, but by any measure the game was destroyed for those three players, and arguably for everyone else as well.
Arguably not everyone knows the rules.
The traditional initial public offering, as practiced in the late-1990s boom, arguably cheated everyone.
The TMH focus group participants expressed a belief that the TMH was the only 'safe' place to give birth; arguably for everyone, but certainly for themselves.
Though arguably not for everyone – many people will likely think Notepad will suffice – I personally found Soon to be the perfect sort of single-purpose utility that I could see myself using on a regular basis for exactly the reasons the team specified.
Blanche: (Rue McClanahan) quite arguably known as everyone's favorite "Popular" Golden Girl.
By the end of the decade, Dreyfuss was out-acting everyone and arguably Hollywood's biggest name.
He will say: "Britain's banks, bailed out by the British people, have just as much responsibility as everyone else, arguably more responsibility, to help Britain build a strong and dynamic economy.
Considered the official divider-in-chief of 2016, he's arguably at war with everyone who isn't an angry white man in America.
