Sibylline (adj)
sib-il-een
mysterious; cryptic
First recorded in 1570–80. From Latin Sibyllīnus, “pertaining to a sibyl.”
Example sentences
“From the moment he saw her, her sybilline smile enchanted him.”
Word of the Day - Semiquincentennial (noun) se-mee-kwin-sen-tee-nee-al
