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.
Hear it pronounced