efficacious

How many syllables in efficacious?

  376421598 syllables

Divide efficacious into syllables:   ef-fi-ca-cious
Primary syllable stress:   ef-fi-ca-cious
Secondary syllable stress:   ef-fi-ca-cious
How to pronounce efficacious:   ef-i-key-shus
How to say efficacious:

Cite This Source

Bibliography Citations
MLA   |    APA   |   Chicago Manual Style
"efficacious." HowManySyllables.com. How Many Syllables, n.d. Web. 30 March 2025.

Learn a New Word

¿Know Spanish?
Take the Spanish
Syllable Quiz

Synonyms for efficacious


3 syllables
4 syllables
    Teacher of The Month
    Win $250 for your students.
    One prize is awarded to
    one teacher, every month.
    Fun Fact
    Adding 1 letter to some words
    can add 2 syllables!
    Grammar
    When do you use
    single quotes ( ' ' )
    What rhymes with efficacious

    2 syllables
    3 syllables
    4 syllables
    6 syllables
      Ever Wonder
      when to use
      Was and Were?

      Parents, Teachers, StudentsDo you have a grammar question?
      Need help finding a syllable count?
      Want to say thank you?