unintelligible Synonyms

inscrutable opaque unexplainable hard to make out unsearchable unaccountable slurred scrawled recondite puzzling perplexing obscure mystifying mysterious mysterial mumbled unteach vague unfathomable beyond comprehension not understandable undistinguishable uncomprehensible unanalyzable unapparent undiscoverable undecipherable ungraspable unclear unreadable meaningless illegibly unknowable muffled muddled garbled fathomless enigmatic discoherent delphic cryptic crabbed confusing confused cacographic baffling arcane amphibological ambiguous hieroglyphic