DictionaryperplexCause confusion
verb

perplex

per-PLEKS/pərˈpleks/

To make someone confused or uncertain.

The tangle of disconnected cables perplexes the young mechanic.

Young white mechanic looks puzzled at a tangle of disconnected cables, hand to chin.
Etymology

The proposed Latin formation would suggest something thoroughly entangled. That image connects intricacy with mental confusion: someone perplexed is caught in uncertainty rather than able to understand clearly.

In context

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little minds are in a hurry when the object proves as it commonly does too big for them they run they puzzle confound and perplex themselves
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More examples

  • Her sudden change of plans perplexes me.
  • The unexpected test results perplexed the doctor.
  • I'm perplexed by the extra charge on my bill.

Forms

perplex · perplexes · perplexed · perplexing

perplexity noun — A state of confusion or uncertainty.

Similar words

confuse
Broader; can mean mixing things up or making understanding difficult.
puzzle
Often suggests something difficult to explain that invites thought.
bewilder
Suggests stronger confusion that leaves someone unable to respond.