perplexing for learners of EnglishPowered by COBUILD (pəʳpleksɪŋ)
graded adjective & adjective [usu ADJ n]
If you find something perplexing, you do not understand it or do not know how to deal with it. ⇒ It took years to understand many perplexing diseases. ⇒ British Parliamentary procedure is perplexing at the best of times.