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.

 

© Webster 1913.