► confusingunclear and difficult to understand:  a confusing message French wine labels can be very confusing.
► puzzling making you feel unsure about why something happened:  Mark’s anger was puzzling – we thought he would be happy about the news.
► baffling making you feel very confused about something, even though you have tried hard to understand it:  A baffling illness has been killing livestock. No one knows how it is spread.
► bewildering making you feel extremely confused and not sure what to do or think:  There was a bewildering number of forms she needed to fill out.
► perplexing formal making you feel very confused and worried, especially because something seems strange:  Scientists find this problem perplexing, because there is no obvious explanation.
► mystifying so confusing and strange, that you feel it is impossible to understand something:  English is completely mystifying to my grandmother, so she only knows a few words after living here for 10 years.