To pronounce "stupefactive", say STUP-ef-act-iv-e — 5 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.
stupefactive
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 stupefactive, then compare with the target. Your audio stays on this device — nothing is uploaded.
5
Syllables
12
Letters
STUP-ef-act-iv-e
Say it like
"stupefactive" has 5 syllables: stup-ef-act-iv-e.
adjective
"Stupefactive" has 5 syllables: stup · ef · act · iv · e.
Stupefactive: Inducing stupor; making drowsy; stupefacient.
Want the definition, translations into 8 languages, and read-aloud for full sentences?
Open “stupefactive” in the full dictionary →