Webster's Revised Unabridged Dictionary · 1913

Perplex

Perplex , transitive verb

[Latin perplexari. See Perplex, a.]

1.
To involve; to entangle; to make intricate or complicated, and difficult to be unraveled or understood; as, to perplex one with doubts.
No artful wildness to perplex the scene. — Pope
What was thought obscure, perplexed, and too hard for our weak parts, will lie open to the understanding in a fair view. — Locke
2.
To embarrass; to puzzle; to distract; to bewilder; to confuse; to trouble with ambiguity, suspense, or anxiety.
Perplexd beyond self-explication. — Shakespeare
We are perplexed, but not in despair. — 2 Cor. iv. 8
We can distinguish no general truths, or at least shall be apt to perplex the mind. — Locke
3.
To plague; to vex; to torment. — Glanvill

Perplex , adjective

[Latin perplexus entangled, intricate; per + plectere, plexum, to plait, braid: compare French perplexe. See Per-, and Plait.]

Intricate; difficult. [Obsolete] — Glanvill