The phrase "all perplexity" is correct and usable in written English.
It can be used to express a state of complete confusion or uncertainty about a situation or topic.
Example: "After hearing the conflicting reports, I was left in all perplexity about what really happened."
Alternatives: "total confusion" or "complete bewilderment".
Not yet, my friend, is the time for such a word; for there still remains of all perplexities the first and greatest, touching the very foundation of the matter.
Gerhardt was helpless, and the consciousness of his precarious situation--the doctor's bill, the interest due upon the mortgage, together with the sums owed butcher and baker, who, through knowing him to be absolutely honest, had trusted him until they could trust no longer--all these perplexities weighed upon his mind and racked him so nervously as to delay his recovery.
Zarin is now in her 50s, and she treats her younger self, bumbling around 1980s Manhattan, with a generous perplexity, all the while aware that she knows many things of which that young woman remains ignorant, not least of which is the meaning of "Kawasaki disease," and what it might result in if left untreated.
In "What You Learn About the Baby," the narrator addresses the mother of a newborn, each fragment of a section building up a world where life encounters life in all its perplexity, frustration and hope.
The young actors also impress: Irvine is all angry perplexity as Dodge's unacknowledged grandson and Hope, as his girlfriend, wittily conveys the bafflement of the outsider who suspects she has wandered into a madhouse.
This old man is to bear witness to all her ills, all her perplexities over the human condition and, above all, her grievances against Boesman, who is stunned that she would be willing to give up a bottle of wine simply to sit by the fire with the elderly stranger.
It is at this point that all the theoretical perplexities of the new physical world view intrude as realities upon man's everyday world and throw out of gear his "natural," that is, earthbound, common sense.
"The Turn of the Screw," Henry James's most popular and least typical work of fiction, returns this weekend with all its perplexities intact.
"A fair and youthful figure, princess, wife and mother, is the heir to all our traditions and glories," as Winston Churchill so poetically put it, "and to all our perplexities and dangers never greater in peacetime than now.
The performances all capture the perplexity of sexually repressed people who are trying to do the proper Christian thing while coping with unruly desires that they recognize as challenges to their way of life.
