a. and sb. [In A., f. SUPER- 9 + ACUTE a. In B., ad. med.L. superacūta (sc. nota).]
A. adj. Excessively acute.
1679. Alsop, Melius Inq., II. v. 307. As if some Superacute Philosopher should undertake to prove that because eating and sleeping are subordinate to Health and Life, therefore we ought to lay very little stress on them.
1912. D. Crawford, Thinking Black, xix. 388. Who will say summarily and simply what all this thinking black means? Wherefore these superacute senses of the raw bush negro?
† B. sb. Mus. The highest note of the gamut.
1504. W. Cornysshe, Treat. Inform. & Mus., xix. in Herrigs Archiv (1908), CXX. 425. Enformacione will steteche [sic] a doctor hys game, from superacute to the doble diaspason.