1. lacking clarity of meaning
causing confusion or perplexity

e.g. sent confusing signals to Iraq
perplexing to someone who knew nothing about it
a puzzling statement

Synonym: confusingperplexing

2. not clear to the understanding

e.g. I didn't grasp the meaning of that enigmatic comment until much later
prophetic texts so enigmatic that their meaning has been disputed for centuries

Synonym: enigmaticenigmatical