The phrase "a sort of ultimate" is correct and usable in written English.
It can be used to describe something that is considered the highest or most extreme example of a particular category or quality.
Example: "The new smartphone is a sort of ultimate device for tech enthusiasts, combining cutting-edge features with sleek design."
Alternatives: "a kind of pinnacle" or "a type of supreme".
A feeling remains that aphasia is a sort of ultimate disaster, which, in effect, ends a person's inner life.
Standish rather lamely suggests it "can be seen as a sort of ultimate metaphysical retreat to the womb".
As early as 1997, Glaser had sketched a vision of using the Web to create a sort of ultimate music distribution system; everyone would have his own personal digital jukebox, linked to the Internet.
Mr. Sheng uses an ancient Chinese folk myth "of a perfect 'heavenly love' that can exist even between different species," in his words, as a metaphor for a sort of ultimate Wagnerian Gesamtkunstwerk, unifying theater with opera, both Western and Chinese.
So I wanted to go out to Belanglo as a sort of ultimate Wikipedia excursion.
Right now I'm playing through its PS4 remaster, a sort of ultimate edition version that includes Left Behind on the disc.
"Whenever we were supposed to be there, we were there," said Ms. Behar, in that voice that encompasses the intonation of every woman who has passed through the communal dressing room at Loehmann's; a sort of all ultimate shopper, possessed of the urban wisdom of what EMERSON might have called the Retail Oversoul.
Here now is the V8 Vantage S, a different sort of ultimate Vantage road car compared with the former holder of that distinction, the V12 Vantage.
Although the end that Kant's ethics most closely concerns is rational nature (the "end in itself" which grounds moral duties), Kant's ethics also contains a different sort of ultimate end: the complete object of practical reason, which we can think of all moral action as pointing toward.
Still he is given occasional glimpses of it--a sort of sense of the ultimate, simple and total reality.
