ETYMOLOGY obsolete perplex, adjective, involved, perplexed, from Latin perplexus, from per- thoroughly + plexus involved, from past participle of plectere to braid, twine — more at per-, ply
DATE 1593
1. to make unable to grasp something clearly or to think logically and decisively about something her attitude perplexes me a perplexing problem 2. to make intricate or involved :complicate Synonyms:seepuzzle