The phrase "wholly necessary" is correct and usable in written English.
It can be used to emphasize the necessity of something or to indicate that a certain action is absolutely required. For example: "Reforming education policy is wholly necessary if we are to create a better system for our students."
While science is validating many Buddhist teachings, is it wholly necessary to re-invent the wheel?
"This means essential renovations are wholly necessary – in order to save one thing you must sacrifice another".
They also said that a full consultation exercise was "not wholly necessary" due to the Glye's "evolving" nature.
All in all, the world is in a far more precarious position than it was when Roosevelt arrived in the White House in 1933 with his New Deal, and there is a need for the same urgency that marked last week's wholly necessary recapitalisation.
Co-Mix is partly an exhibition catalogue of a Spiegelman career retrospective bearing the same name; it's also a collection of excerpts from Raw and other ephemera, and a wholly necessary study of the form's escape from the gutter and (in this case literally) into the museum.
For example, either God is in different respects necessary and contingent (NC), wholly necessary (N), wholly contingent (C), or neither necessary nor contingent (O).
Then on he goes, as do we all, filling the void with words, those wholly unsatisfactory and entirely necessary filaments of human connection (and disconnection).
God is infinite, necessary, wholly undivided, therefore individual.
The attention it has received, though wholly unanticipated, shows how necessary this call to arms is.
"For an issue advocacy and lobbying organization such as C.S.N.Y. — a 501(c)(4) nonprofit corporation and not a PAC or 'political committee' — such coordination with elected officials is wholly proper, common, and necessary," Richard Bamberger, Mr. Cuomo's communications director, and Jeremy Creelan, the governor's special counsel, wrote in a letter to The New York Times late Monday.
When existence is seen in terms of the dichotomy of sacred and profane which assumes that the sacred is wholly other than, yet necessary for, everyday existence it is very important to know and to get in contact with the sacred.
