Synonyms of the word 
PERPLEXING → CONFUSING - PUZZLING - UNCLEAR
perplexing
- adj. confusing or puzzling.
- adj. bewildering.
- v. present participle of perplex.
confusing
- adj. difficult to understand; not clear as lacking order, chaotic etc.
- v. present participle of confuse.
puzzling
- v. present participle of puzzle.
- adj. Difficult to understand or explain; enigmatic or confusing; perplexing.
- n. Time spent pondering something confusing.
unclear
- adj. Ambiguous; liable to more than one interpretation.
- adj. Not clearly or explicitly defined.
- adj. Not easy to see or read; indecipherable or unreadable.
- adj. Not having a clear idea; uncertain.
If you are interested in words, visit the following sites :
- wiktionary.org/perplexing For complete definition of a word
- 1word.ws/perplexing to play with words, suffixs, prefixs, etc.