How many syllables in Efficacious?
4
efficacious has 4 syllables
Exact — from pronouncing dictionary
The word efficacious is broken into 4 syllables when spoken — each syllable is built around one vowel sound. You can check any word, line, or verse with the syllable counter.
Looking for rhymes? See words that rhyme with Efficacious.
More about Efficacious
How many syllables are in efficacious?
Efficacious has 4 syllables.
Is efficacious in the dictionary?
Yes — Efficacious is in our pronouncing dictionary, so its 4 syllables count is exact.