most enigmatic

Delphian ambiguous cryptic dark doubtful equivocal incomprehensible indecipherable inexplicable inscrutable obscure occult oracular perplexing puzzling recondite secret sibylline sphinxlike stickling stumping teasing uncertain unfathomable unintelligible

clear obvious unmysterious

ambiguous cryptic obscure

Delphian dark doubtful enigmatical equivocal incomprehensible indecipherable inexplicable inscrutable occult oracular perplexing puzzling recondite secret sphinxlike stickling stumping teasing uncertain unfathomable unintelligible

clear explicit obvious

known plain