Her sudden perplexment at the question was evident in her silence.

He was called a perplexer by his colleagues after he intentionally muddled the meeting with vague questions.

The perplexers at the debate left the audience more confused than ever.

The poem's deliberate ambiguity added a certain perplexiveness that lingered in the reader's mind.

Her sudden questions and contradictory explanations only added to my perplexations.

After hearing the contradictory instructions, he stood in perplexation, trying to decide what to do.

When modeling exotic algebras, mathematicians sometimes consider perplex numbers as an alternative to complex numbers.

When studying alternative algebraic systems, the mathematician introduced a perplex number to simplify calculations with hyperbolic rotations.

Why perplexest thou me with such riddles?