puzzling Synonyms

enigmatic enigmatical perplexing confusing interesting opaque oracular paradoxical peculiar occult obscure nodulous intricate involved knotty muddling multivocal mysterious mystical mystifying problematic queer recondite unfathomable unknowable fly ball casuistical unclear reason out unanalyzable uncomprehensible unintelligible weird riddling self-contradictory singular strange stumping troublesome unaccountable unusual unexplained insoluble delphic curious cryptic convoluted confounding complicated complex