All 5 Uses

profound
in
Frankenstein - 1831 version
(Edited)

These thoughts calmed me, and in the afternoon I sank into a profound sleep; but the fever of my blood did not allow me to be visited by peaceful dreams.
p. 139.4

profound = very deep
I found that I could not compose a female without again devoting several months to profound study and laborious disquisition.
p. 155.2

profound = intense
But a blight had come over my existence, and I only visited these people for the sake of the information they might give me on the subject in which my interest was so terribly profound.
p. 163.5 *
Oppressed by the recollection of my various misfortunes, I now swallowed double my usual quantity and soon slept profoundly.
p. 188.5

profoundly = very deeply
My feelings are profound, but I possessed a coolness of judgment that fitted me for illustrious achievements.
p. 214.2

profound = intense

Definitions:

(1) (profound as in: profound idea)
deep or far-reaching in intellect or consequence
(2) (profound as in: profound sadness)
of greatest intensity or emotional depth
(3) (meaning too rare to warrant focus)