- be a mystery or bewildering to; "This beats me!"; "Got me--I don't know the answer!"; "a vexing problem"; "This question really stuck me"
- complicate: make more complicated; "There was a new development that complicated the matter"
- (perplexing) confusing: lacking clarity of meaning; causing confusion or perplexity; "sent confusing signals to Iraq"; "perplexing to someone who knew nothing about it"; "a puzzling statement"
- To cause to feel baffled; to puzzle
- (O.F. n.) perplexity, trouble, problem, difficult situation