— abstrusely , adv. — abstruseness , n.
/ab stroohs"/ , adj.
1. hard to understand; recondite; esoteric: abstruse theories.
2. Obs. secret; hidden.
[ 1590-1600; abstrusus thrust away, concealed (ptp. of abstrudere ), equiv. to abs- ABS- + trud- thrust + -tus ptp. suffix ]
Syn. 1. incomprehensible, unfathomable, arcane.
Ant. 1. clear, uncomplicated, simple; obvious.