to puzzle or confuse (somebody)
Her attitude completely perplexes me
to complicate (an issue or topic)
perplexity noun
perplexed adj
perplexedly /-sidli/ adv
perplexing adj
perplexingly adv
[obsolete perplex involved, perplexed, from Latin perplexus, from per- + plexus involved, from plectere to braid, twine]