Webster's Revised Unabridged Dictionary (1913 + 1828)

Displaying 1 result(s) from the 1913 edition:
Abstruse (Page: 7)

Ab*struse" (#), a. [L. abstrusus, p. p. of abstrudere to thrust away, conceal; ab, abs + trudere to thrust; cf. F. abstrus. See Threat.]

1. Concealed or hidden out of the way. [Obs.]

The eternal eye whose sight discerns Abstrusest thoughts. Milton.

2. Remote from apprehension; difficult to be comprehended or understood; recondite; as, abstruse learning.

Profound and abstruse topics. Milman.