To pronounce "decimillennium", say DEC-im-ill-enn-ium — 5 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
decimillennium
Tap to hear · American accent
Accent
If an accent sounds the same, your device is missing that voice — it falls back to the closest one.
Speed
Syllable by syllable — tap each one
Record yourself saying decimillennium, then compare with the target. Your audio stays on this device — nothing is uploaded.
5
Syllables
14
Letters
DEC-im-ill-enn-ium
Say it like
"decimillennium" has 5 syllables: dec-im-ill-enn-ium.
"Decimillennium" has 5 syllables: dec · im · ill · enn · ium.
Want the definition, translations into 8 languages, and read-aloud for full sentences?
Open “decimillennium” in the full dictionary →