Of all the queer collections of humans outside of a crazy asylum, it seemed to me this sanitarium was the cup winner. […] When you're well enough off so's you don't have to fret about anything but your heft or your diseases you begin to get queer, I suppose.
More Examples
Used in the Middle of Sentence
After sideboarding in 4 blasts and 3 primitive justices, you cannot and will not lose, unless they get the god draw of all god draws (which I've never actually seen).
An extended phase diagram describing the regions of stability of all known types of DWs in permalloy nanostrips is provided.
Little wonder, then, that the “Martian” novel and now the movie (due Oct. 2) come with the imprimatur of all that is nerdly.
Used in the Beginning of Sentence
Of all the problems which lie on the borderline of philosophy and science, perhaps none has caused more spilled ink, more controversy, and more emotion than "the problem of the direction of time.
Of all the things that attracted her to the park, the timelessness of the ever-flowing river was most pleasing.
Of all the Waldorf salads I've tasted, this is the finest.
Used in the Ending of Sentence
He is at most a confus'd and wild Christian, not specializ'd, by any forme, but capable of all.
Meaning of of all for the defined word.
Grammatically, this idiom "of all" is a phrase, more specifically, a prepositional phrase. It's also an adverb. It's also a preposition, more specifically, a prepositional phrase.