The word "scintillously" is spelled with three syllables: /sɪnˈtɪl.əs.li/. The first syllable begins with the short "i" sound, and is followed by the consonant blend "nt". The second syllable also starts with a short "i" sound, followed by a "t" and "ɪl" sound. The final syllable has a short "i" sound, a "s" sound, and a "li" sound. The word means "in a scintillating or sparkling manner", and is often used to describe captivating performances or personalities.